The sample mean reduction was 0.95 mmol/l and the sample standard deviation of the reduction amounts was 0.0075 mmol/l.
To find the sample mean reduction, we simply take the midpoint of the confidence interval. The midpoint is the average of the upper and lower bounds, so:
Sample mean reduction = (0.88 + 1.02) / 2 = 0.95 mmol/l
To find the sample standard deviation of the reduction amounts, we need to use the formula for a confidence interval:
Margin of error = Z × (sample standard deviation / √(sample size))
We know that the margin of error for a 95% confidence interval with a sample size of 114 is 0.07 (the difference between the upper and lower bounds). We can solve for the sample standard deviation:
0.07 = 1.96 × (sample standard deviation / √(114))
Sample standard deviation = 0.0075 mmol/l
Therefore, the sample mean reduction was 0.95 mmol/l and the sample standard deviation of the reduction amounts was 0.0075 mmol/l.
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if f(2)=14, f′ is continuous, and ∫25f′(t)dt=21, what is the value of f(5)? answer:
Therefore, According to the given information f(5) = 35.
To find the value of f(5), we can use the information given about f(2) and the integral of f′(t) from 2 to 5. Here's a step-by-step explanation:
1. We know that f(2) = 14.
2. We also know that the integral of f′(t) from 2 to 5 is equal to 21. This represents the accumulated change in the function f(t) from 2 to 5.
3. Since f′(t) is continuous, we can use the Fundamental Theorem of Calculus to relate the integral of f′(t) to the function f(t).
4. The Fundamental Theorem of Calculus states that the integral of f′(t) from 2 to 5 is equal to f(5) - f(2).
5. Plugging in the known values, we have 21 = f(5) - 14.
6. Solve for f(5): f(5) = 21 + 14.
Therefore, According to the given information f(5) = 35.
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Suppose x and y are independent random variables such that E(X)-6, Var (X) = 5, E(Y) = 4, Var(Y) = 10. Find Var(U) where U = 2X-Y-4.The answer is an integer)
The variance of U is 30, which is an integer. To find the variance of U = 2X - Y - 4, we can use the formula:Var(U) = Var(2X - Y - 4) = 4Var(X) + Var(Y) - 2Cov(X,Y)
Given that X and Y are independent, we know that their covariance is zero:
Cov(X,Y) = E(XY) - E(X)E(Y) = E(X)E(Y) - E(X)E(Y) = 0
Therefore, we can simplify the formula for the variance of U as:
Var(U) = 4Var(X) + Var(Y) = 4(Var(X) + E(X)^2 - [E(X)]^2) + Var(Y)
Using the given values of E(X), Var(X), E(Y), and Var(Y), we can substitute these values in the above formula to find:
Var(U) = 4(5 + 6^2 - 6^2) + 10 = 30
Hence, the variance of U is 30, which is an integer. Therefore, we can conclude that the variance of U is 30.
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find a potential function for f. f= 4x yi 1−2x2 y2j {(x,y): y>0}
To find a potential function for the vector field f = 4xyi + (1-2x^2y^2)j over the region {(x,y): y>0}, we can use the method of partial derivatives to check if the vector field is conservative.
If it is conservative, we can find a potential function by integrating the components of the vector field.To determine if the vector field f is conservative, we need to check if the curl of f is equal to zero. In this case, the curl of f can be calculated as:
curl(f) = (∂f_y/∂x - ∂f_x/∂y)k = (-8xy)k
Since the z-component of the curl is not zero, the vector field is not conservative. Therefore, we cannot find a potential function for the entire region {(x,y): y>0}.
However, if we restrict the region to the subset {(x,y): y>0, 1-2x^2y^2>0}, we can find a potential function. In this case, we can integrate the x-component of f with respect to x, treating y as a constant, and add a constant of integration that depends on y. This gives:
F(x,y) = 2x^2y + g(y)
where g(y) is a constant of integration that depends only on y. We can then differentiate F(x,y) with respect to y and equate it to the y-component of f to find g(y). This gives:
g(y) = C - 2y^3
where C is an arbitrary constant. Therefore, the potential function for f over the restricted region {(x,y): y>0, 1-2x^2y^2>0} is:
F(x,y) = 2x^2y - 2y^3 + C
where C is a constant of integration.
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The Fahrenheit temperature readings on 30 April
mornings in Stormville, New York, are shown
below.
41°, 58, 61, 54°, 49°, 46, 52, 58°, 67°, 43°,
47°, 60°, 52, 58, 48°, 44, 59, 66, 62, 55°,
44°, 49, 62, 61°, 59, 54, 57, 58, 63°, 60°
The frequency table with the data of the Fahrenheit temperature readings on 30 April mornings in Stormville, New York is:
Interval Frequency
40 - 44 1
45 - 49 2
50 - 54 4
55 - 59 5
60 - 64 4
65 - 69 1
How to interpret the frequency table ?First, find the range of the data which is the difference between the highest and lowest values in the data set. The check the size of the intervals which is already given in this case.
Count the values in each interval and then write it in the interval that you see. For instance, the temperatures, 49 ° and 47 ° go into the 45 - 49 interval.
The frequency table shows that the most common temperature reading was in the 55-59° range, which occurred 5 times. The least common temperature reading was in the 40-44° range, which occurred only once.
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The frequency table shows the distribution of a uniform range of values
Interval __ Frequency
40-44 ____ 1
45-49 ____ 2
50-54 ____ 4
55-59 ____ 5
60-64 ____ 4
65-69 ____ 1
Obtaining a Frequency tableThe frequency table will give a tabular view of the number of times numbers or values within a certain range occurs in a given dataset .
Here , the interval is 5 which is the same accross the frequency table given. The number of times values within each interval occurs in the dataset gives us a tabular information called the frequency table .
Hence, the interval with the highest and lowest frequency are (55-59) and (40-44 and 65-69) respectively.
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grade 8 math's please.
The measure of one interior angle of the decagon is 144 degrees
Working out the measure of one interior angle of the decagonFrom the question, we have the following parameters that can be used in our computation:
The decagon
The sum of interior angles of a polygon is calculated as
Sum = 180 * (n - 2)
Where
n = number of sides
In a decagon, we have
n = 10
This means that
Sum = 180 * (10 - 2)
When evaluated, we have
Sum = 1440
The measure of one interior angle of the decagon is then calculated as
One interior angle = 1440/10
Evaluate
One interior angle = 144
Hence, the measure of one interior angle of the decagon is 144 degrees
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sergio buys m boxes of seeds and n packets of seeds
each box contains 10 seeds
each packet contains 6 seeds
the total number of seeds that sergio buys is T
write a down a formula for T in terms of m and n
The formula for T will be,
T = 10m + 6n
Given,
m boxes of seeds and n packets of seeds.Each box contains 10 seedsEach packet contains 6 seeds Total number of seeds that Sergio buys is T.Now form the equation from the given data,
Equation,
T = 10m + 6n
T = Total number of seeds.
m = Total number of boxes.
n = Total number of packets.
Hence by framing the equation we can get the desired result.
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let f: a -> r with a c r be a function. show that f a => f one to one
To show that the function f: A -> R is one-to-one (injective), we need to prove that for any two distinct elements x and y in A, their images under f are also distinct, i.e., if x ≠ y, then f(x) ≠ f(y).
1. Assume that x and y are distinct elements in A, so x ≠ y.
2. Since f is a function, it assigns a unique value in R to each element in A.
3. We want to show that f(x) ≠ f(y) when x ≠ y.
If we can prove that for all x and y in A, with x ≠ y, it holds that f(x) ≠ f(y), then we can conclude that the function f: A -> R is one-to-one (injective).
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Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease.
[tex]y = 55(0.97) ^{x} [/tex]
The exponential decay is 3% per unit of x.
The given exponential function is [tex]y=55*(0.97)^x[/tex].
To determine whether the change represents growth or decay, we need to look at the base of the exponent. In this case, the base is [tex]0.97[/tex], which is less than 1.
Therefore, the function represents exponential decay.
To determine the percentage rate of decrease, we can compare the initial value of y (when x=0) to the value of y after one unit of increase in x. When x=1, we have:
[tex]y(1) = 55*(0.97)^1\\\\y(1) = 53.35[/tex]
The percentage rate of decrease can be found by taking the difference between the initial value and the value after one unit of increase, dividing by the initial value, and then multiplying by 100. In this case, we have:
percentage rate of decrease = [(55-53.35)/55] * 100
percentage rate of decrease = 2.99%
Therefore, the exponential function [tex]y=55*(0.97)^x[/tex] represents exponential decay at a rate of 2.99% per unit increase in x.
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a box contains 6 red balls and 4 white balls. two balls are drawn from the box without replacement. what is the probability (express in decimals) that both drawn balls are red
The probability of drawing two red balls from a box containing 6 red balls and 4 white balls is 0.45.
To find the probability of drawing two red balls, we can use the formula for conditional probability:
P(A and B) = P(A) x P(B|A)
where A is the event of drawing a red ball on the first draw, B is the event of drawing a red ball on the second draw, and P(B|A) is the probability of drawing a red ball on the second draw given that a red ball was drawn on the first draw.
The probability of drawing a red ball on the first draw is 6/10, or 0.6. After a red ball is drawn on the first draw, there are 5 red balls and 9 total balls remaining in the box. Therefore, the probability of drawing a red ball on the second draw given that a red ball was drawn on the first draw is 5/9.
Multiplying these probabilities together, we get:
P(A and B) = (6/10) x (5/9) = 0.3 x 0.555... = 0.1666...
Therefore, the probability of drawing two red balls from the box is approximately 0.1666..., which is equivalent to 0.45 when rounded to two decimal places.
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The net price of a HDTV with a 25% trade discount rate is $1300. Find the list price
The list price of the HDTV with a 25% trade discount rate can be calculated as approximately $1733.33, based on the given net price of $1300.
Let's assume the list price of the HDTV is L dollars. The trade discount rate is 25%, which means the customer gets a 25% reduction on the list price.
The trade discount can be calculated by multiplying the list price (L) by the discount rate (25% = 0.25): Discount = 0.25L
The net price is the list price minus the trade discount, so we have: Net Price = L - Discount
Given that the net price is $1300, we can substitute the values into the equation: 1300 = L - 0.25L
Combining like terms, we get: 1300 = 0.75L
Dividing both sides of the equation by 0.75, we find: L = 1300 / 0.75 = $1733.33
Therefore, the list price of the HDTV is approximately $1733.33.
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1.Solve 148x + 231y =527
231x+ 148y = 610
Answer:
Given:
148
�
+
231
�
=
527...
�
�
1
148x+231y=527...eq1
and
231
�
+
148
�
=
610...
�
�
2
231x+148y=610...eq2
To find:
Find the value of x and y.
Solution:
Concept to be used:
Add both equations.
Subtract both equations.
Solve new equations to find x and y.
let the random variable x be the number of tail observed when 4 coins are flipped.(do not use the result of binomial distribution.]
when we flip four coins, each coin has two possible outcomes, so the total number of possible outcomes is 2 x 2 x 2 x 2 = 16. The random variable X represents the number of tails observed when these 4 coins are flipped, and can take on values from 0 to 4.
Each of these 16 outcomes has a corresponding number of tails. For example, the outcome HHHH has 0 tails, HTTT has 4 tails, and so on.
Therefore, we can define a random variable X to represent the number of tails observed when four coins are flipped. X can take on values from 0 (when all four coins are heads) to 4 (when all four coins are tails), and the probability of each value can be determined by counting the number of outcomes that correspond to that value and dividing by the total number of possible outcomes (16). This approach does not use the binomial distribution, which is a formula used to calculate the probability of a certain number of successes in a fixed number of independent trials with a constant probability of success.
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how many, if any, approved first aid kits are required on an aircraft having a passenger seating configuration of 20 seats and a passenger load of 14?
If any, approved first aid kits are required on an aircraft having a passenger seating configuration or 20 seats and a passenger load of 14 is one. So the option B is correct.
An aircraft with a passenger seating layout of 20 seats and a passenger load of 14 must have approved first aid kits because the Federal Aviation Administration (FAA) mandates this for all aircraft operating under FAR part 121.
First aid kits must be accessible in case of emergency, according to the FAA. Additionally, the FAA must approve the first aid kits before they can be filled with medical materials for a range of ailments and wounds. So the option B is correct.
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The complete question is:
How many, if any, approved first aid kits are required on an aircraft having a passenger seating configuration or 20 seats and a passenger load of 14?
A. None.
B. One.
C. Two.
Consider the following quadratic function.
f(x)= -2x^2-8x-5
(a)Write the equation in the form f(x)= a(x, h)^2+k Then give the vertex of its graph.
Writing in the form specified: f(x) =
Vertex :
(b)Graph the function. To do this, plot five points on the graph of the function: the vertex, two points to the left of the vertex, and two points to the right of the vertex. Then click on the graph-a-function button.
The expression of the quadratic function, f(x) = -2·x² - 8·x - 5, in the vertex form indicates;
(a) f(x) = -2·(x + 2)² + 3
(b) Please find attached the graph of the quadratic function, showing five points, including the vertex created with MS Excel
What is the vertex form of a quadratic function?The vertex form of a quadratic function is the form, f(x) = a·(x - h)² + k, where;
(h, k) = The coordinates of the vertex
(a) f(x) = -2·x² - 8·x - 5
The function can be expressed in the vertex form as follows;
The vertex form is; f(x) = a·(x - h)² + k
f(x) = -2·x² - 8·x - 5 = -2·(x² + 4·x) - 5
f(x) = -2·(x² + 4·x) - 5
f(x) = -2·(x² + 4·x + 4 - 4) - 5
f(x) = -2·((x + 2)² - 4) - 5
f(x) = -2·((x + 2)² + 8 - 5
f(x) = -2·((x + 2)² + 3
The vertex of the quadratic function is; (h, k) = (-2, 3)
(b) The five points that can be used to plot the graph of the quadratic function can be obtained by considering the points with x-coordinates, -3, and -4, to the left of the vertex and -1, and 0 to the right of the vertex as follows;
f(-4) = -2·((-4) + 2)² + 3 = -5
f(-3) = -2·((-3) + 2)² + 3 = 1
f(-2) = -2·((-4) + 2)² + 3 = 3
f(-1) = -2·((-1) + 2)² + 3 = 1
f(0) = -2·((0) + 2)² + 3 = -5
Please find the graph of the quadratic function, f(x) = -2·(x + 2)² + 3, created with MS Excel
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A computer program generates a list of triples (a, b, c) such that a is an even number less than 16, b is a perfect square, and c is a multiple of 5 between a and b. Which of the following triples does not meet those conditions? I A. B. C. D. E. (14, 36, 25) (10, 25, 20) (6, 64, 50) (2, 25, 15) (2, 16, 12)
Answer:
Step-by-step explanation:
B D and E
The triples that do not meet those conditions will be (2, 16, 12). Thus, the correct option is E.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
According to the question, the condition is given as,
⇒ (Even number (a), b², a < 5c < b)
Let's check all the options, then we have
A. (14, 36, 25), all conditions are satisfied.
B. (10, 25, 20), all conditions are satisfied.
C. (6, 64, 50), all conditions are satisfied.
D. (2, 25, 15), all conditions are satisfied.
E. (2, 16, 12), the third condition is not satisfied because 12 is not a multiple of 5.
Thus, the correct option is E.
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find the values of the following 4 trigonometric functions. csc210∘sec210∘tan210∘cot210∘
The value of csc (210°) is -2, sec (210°) is -2/√3, tan(210°) is √3/3, and cot (210°) is -√3. Therefore, csc(210°)sec (210°)tan(210°)cot(210°) is equal to 4.
We can use the trigonometric identities to find the values of these functions. First, we know that sin(210°) = -1/2, so csc(210°) = -2. Similarly, cos(210°) = -√3/2, so sec(210°) = -2/√3. Using the identity tan(x) = sin(x)/cos(x), we find that tan(210°) = √3/3. Finally, we can use the identity cot(x) = 1/tan(x) to find that cot(210°) = -√3.
Now, we can simply multiply these values together to find the value of csc(210°)sec(210°)tan(210°)cot(210°):
csc(210°)sec(210°)tan(210°)cot(210°) = (-2) * (-2/√3) * (√3/3) * (-√3) = 4. Therefore, the value of csc(210°) sec(210°) tan(210°) cot(210°) is equal to 4.
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find the general solution of the differential equation: y ' − 4 y = e 3 t use lower case c for the constant in your answer.
The general solution of the given differential equation is y = y_h + y_p = ce^(4t) + (1/7)te^(3t).
The given differential equation is y' - 4y = e^(3t). This is a linear first-order homogeneous differential equation with constant coefficients. To solve this equation, we first find the general solution of the corresponding homogeneous equation y' - 4y = 0. The characteristic equation is r - 4 = 0, which has a single root r = 4. Therefore, the general solution of the homogeneous equation is y_h = c*e^(4t), where c is a constant.
Next, we find a particular solution of the non-homogeneous equation y_p by using the method of undetermined coefficients. Since e^(3t) is a solution of the homogeneous equation, we try a particular solution of the form y_p = Ate^(3t), where A is a constant. We take the first derivative of y_p, which is y'_p = Ae^(3t) + 3At*e^(3t).
Simplifying this equation, we get:
Ae^(3t) - 4At*e^(3t) = e^(3t)
Factoring out e^(3t), we get:
e^(3t)(A - 4tA) = e^(3t)
Since e^(3t) is never zero, we can divide both sides by e^(3t) to get:
A - 4tA = 1
Solving for A, we get:
A = 1/(1-4t)
Therefore, the particular solution of the non-homogeneous equation is y_p = Ate^(3t) = (1/7)te^(3t).
Finally, the general solution of the given differential equation is y = y_h + y_p = c*e^(4t) + (1/7)te^(3t), where c is a constant.
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Francesca drew a scale drawing of an Italian restaurant. The scale of the drawing was.
7 centimeters: 3 meters. If the actual width of the restaurant's kitchen is 15 meters, how
wide is the kitchen in the drawing? answer plsssss
Francesca drew a scale drawing of an Italian restaurant, and the scale of the drawing was not given. Therefore, it is impossible to determine how wide the kitchen is in the drawing.
A scale drawing is a representation of an object or space that is smaller or larger than the actual object or space. It is created using a scale that is agreed upon before the drawing is made.
The scale is usually expressed as a ratio or fraction, such as 1:10 or 1/4. This ratio means that every unit of measurement on the drawing represents a certain number of units on the actual object or space.
Without knowing the scale of Francesca's drawing, we cannot calculate how wide the kitchen is.
It is important to have the scale when working with scale drawings to ensure accurate measurements and proportions. If the scale is not given, it is best to ask for it or assume a standard scale, such as 1:100.
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Suppose we have an experiment where a coin is flipped and a die is rolled and me result of the coin flip and die roll is noted. a. What is the sample space? b. Define an event A as the coin shows a head and the die show an even number. List the elements of the event A. c. Define an event B as the die shows an odd number. List the elements of event B. d. Define an event C as the coin shows a head and the die shows a number less than
The sample space consists of all possible outcomes of the coin flip and die roll.
There are 2 possible outcomes for the coin flip (heads or tails) and 6 possible outcomes for the die roll (1, 2, 3, 4, 5, or 6), so the sample space has 2 x 6 = 12 outcomes.
Event A consists of the outcomes where the coin shows a head and the die shows an even number. The possible outcomes are (H, 2), (H, 4), and (H, 6).
Event B consists of the outcomes where the die shows an odd number. The possible outcomes are (T, 1), (T, 3), (T, 5), (H, 1), (H, 3), and (H, 5).
Event C consists of the outcomes where the coin shows a head and the die shows a number less than 4. The possible outcomes are (H, 1), (H, 2), and (H, 3).
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determine which level of measurement is appropriate. salaries of college professors
Salaries of college professors are an example of ratio level of measurement. The ratio level allows for mathematical operations like addition, subtraction, multiplication, and division to be performed on the data.
The appropriate level of measurement for salaries of college professors is the ratio level. Ratio level measurement is the highest level of measurement, providing the most precise and meaningful data.
In ratio measurement, the data points have a meaningful zero point and can be compared using ratios. Salaries can be measured in terms of dollars and cents, and the zero point represents the absence of salary.
Furthermore, ratios can be calculated, such as comparing one professor's salary to another or calculating salary increases or decreases. The ratio level allows for mathematical operations like addition, subtraction, multiplication, and division to be performed on the data.
salaries of college professors meet the criteria of ratio level measurement as they possess a meaningful zero point and allow for meaningful ratios and mathematical operations.
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for houses with the same square footage, number of bedrooms, number of bathrooms, and number of garages, a 1-year increase in the age of the house results on average in
For houses with the same square footage, number of bedrooms, number of bathrooms, and number of garages, a 1-year increase in the age of the house can result in various effects on average. Some potential effects may include:
1. Decrease in market value: As houses age, their market value may decline due to wear and tear, outdated features, or the perception of lower quality compared to newer homes.
2. Increase in maintenance costs: Older houses may require more frequent repairs and maintenance, leading to higher ongoing expenses for homeowners.
3. Potential decrease in energy efficiency: Older houses might have outdated insulation, windows, or appliances, resulting in higher energy consumption and costs.
4. Changes in neighborhood dynamics: As houses age, the neighborhood may undergo demographic shifts or changes in property values, which can impact the overall desirability and perception of the area.
It's important to note that these effects can vary depending on various factors such as location, housing market conditions, and overall maintenance and renovations of the property.
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x + y^2=0 in parabola conic standard form
The equation of the conic in standard form is (x + 1)² + (y - 4)² = 16.
Here, we have,
In this problem we find the equation of the conic in general form, that is, an equation of the form:
A · x² + B · x + C · y² + D · y + E = 0
Where A, B, C, D, E are real coefficients.
And we are asked to find the standard form of the previous formula and this can be found by completing the square:
x² + 2 · x + y² - 8 · y + 1 = 0
(x² + 2 · x) + (y² - 8 · y) = - 1
(x² + 2 · x + 1) + (y² - 8 · y + 16) = 16
(x + 1)² + (y - 4)² = 16
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complete question:
Translate the following conic from standard form to graphing form
x ^ 2 + 2x + u ^ 2 - 8y + 1 = 0
if 10 households in this area are selected at random, what is the probability that exactly 4 of them are in violation of this law?
The probability of exactly 4 households being in violation of the law out of a random selection of 10 households can be calculated using the binomial probability formula. The formula is P(X=k) = (n choose k) * p^k * (1-p)^(n-k), where n is the number of trials, k is the number of successes, p is the probability of success, and (n choose k) is the binomial coefficient. In this case, n=10, k=4, and p=0.2 (since 20% of households are in violation). Plugging in these values, we get P(X=4) = (10 choose 4) * 0.2^4 * 0.8^6 ≈ 0.2508. Therefore, the probability of exactly 4 households being in violation out of a random selection of 10 households is approximately 0.2508 or 25.08%.
To explain this further, we can break down the formula. The (10 choose 4) term represents the number of ways to choose 4 households out of 10. The 0.2^4 term represents the probability of exactly 4 households being in violation (since the probability of any given household being in violation is 0.2). The 0.8^6 term represents the probability of the remaining 6 households not being in violation. Multiplying these terms together gives us the probability of exactly 4 households being in violation out of a random selection of 10 households.
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A city with a population of 40,000 people has an avg water usage of 180 gallons/person per day. If the return rate is 75%, what is the maximum daily flow rate for wastewater ? A. 5.4 MGD B. 14.6C. 2.2 D. 11
The maximum daily flow rate for wastewater is A. 5.4 MGD.
If the city's population is 40,000 people and the average water usage is 180 gallons/person per day, then the total water usage would be 40,000 x 180 = 7,200,000 gallons per day.
If the return rate is 75%, then the maximum daily flow rate for wastewater would be 7,200,000 x 0.75 = 5,400,000 gallons per day.
Converting gallons to million gallons (MG), the answer would be 5.4 MGD. Therefore, the correct answer is A.
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find the indicated partial derivative. (assume a, b, and c are greater than three.) u = xaybzc ∂6u ∂x ∂y2∂z3 =
The indicated partial derivative is [tex]\frac{\delta^6u}{\deltax\delta y^2\delta z^3} = (a(a-1)(a-2)(a-3)(a-4)(a-5)) * (b(b-1)) * (c(c-1)(c-2)) * (x^{(a-6)}) * (y^{(b-2)}) * (z^{(c-3)}).[/tex]
How to find partial derivatives?To find the indicated partial derivative, we need to differentiate the function u = [tex]x^a * y^b * z^c[/tex] six times with respect to x, two times with respect to y, and three times with respect to z.
Let's calculate it step by step:
Step 1: Take the derivative of u with respect to x, six times ([tex]\frac{\delta^6u}{\delta x^6}[/tex]):
[tex]\frac{\delta u}{\delta x} = a * x^{(a-1)} * y^b * z^c[/tex]
[tex]\frac{\delta ^2u}{\delta x^2} = a(a-1) * x^{(a-2)} * y^b * z^c[/tex]
[tex]\frac{\delta ^3u}{\delta x^3} = a(a-1)(a-2) * x^{(a-3)} * y^b * z^c[/tex]
[tex]\frac{\delta^4u}{\delta x^4} = a(a-1)(a-2)(a-3) * x^{(a-4)} * y^b * z^c[/tex]
[tex]\frac{\delta ^5u}{\delta x^5} = a(a-1)(a-2)(a-3)(a-4) * x^{(a-5)} * y^b * z^c[/tex]
[tex]\frac{\delta ^6u}{\delta x^6 }= a(a-1)(a-2)(a-3)(a-4)(a-5) * x^{(a-6)} * y^b * z^c[/tex]
Step 2: Take the derivative of u with respect to y, two times ([tex]\frac{\delta ^2u}{\delta y^2}[/tex]):
[tex]\frac{\delta ^2u}{\delta y^2} = x^a * b(b-1) * y^{(b-2)} * z^c[/tex]
Step 3: Take the derivative of u with respect to z, three times ([tex]\frac{\delta ^3u}{\delta z^3}[/tex]):
[tex]\frac{\delta ^3u}{\delta z^3} = x^a * y^b * c(c-1)(c-2) * z^{(c-3)}[/tex]
Now, let's combine the results from each step to find the desired partial derivative:
[tex]\frac{\delta ^6u}{\delta x \delta y^2 \delta z^3} = (a(a-1)(a-2)(a-3)(a-4)(a-5)) * (b(b-1)) * (c(c-1)(c-2)) * (x^{(a-6)}) * (y^{(b-2)}) * (z^{(c-3)})[/tex]
Therefore, the indicated partial derivative is[tex]\frac{ \delta ^6u}{ \delta x\delt y^2 \delta z^3} = (a(a-1)(a-2)(a-3)(a-4)(a-5)) * (b(b-1)) * (c(c-1)(c-2)) * (x^{(a-6)}) * (y^{(b-2)}) * (z^{(c-3)}).[/tex]
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Here are a pair of equations. 3k +2j = 22 2k - j = 3 Is k = 4 and j = 5 a solution to both these equations? Give a reason for your answer.
The solution to both these equations are k = 4 and j = 5
The equation is an expression, shows the relationship between two or more numbers and variables.
We are given that pair of equations.
3k +2j = 22
2k - j = 3
Solving it;
2k - j = 3
j = 2k - 3
Therefore,
3k +2(2k - 3) = 22
3k + 4k - 6 = 22
7k = 22 + 6
7k = 28
k = 4
And
2(4) - j = 3
j = 8 -3
j = 5
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Sushi the pomsky likes to parkour across the furniture. She never jumps on the same piece of furniture twice in a row. If there are 3 chairs, 1 couch, and 2 tables in a room, what is the probability that Sushi will first jump on a chair and then a table?
Answer:
really weird question, anyways
Step-by-step explanation:
To calculate the probability, we need to determine the number of favorable outcomes (Sushi jumping on a chair first and then a table) and the total number of possible outcomes.
Sushi has 3 chairs and 2 tables to choose from. The probability of Sushi jumping on a chair first is 3/6 (since there are 6 pieces of furniture in total). After landing on a chair, Sushi will have 2 tables left to choose from out of the remaining 5 pieces of furniture.
Therefore, the probability of Sushi jumping on a chair first and then a table is (3/6) * (2/5) = 1/5 or 0.2.
So, the probability that Sushi will first jump on a chair and then a table is 0.2.
Answer: 0.2
Step-by-step explanation: hope this helps
What is the solution set for (x-6)^2=4
Answer:
x=8,4
Step-by-step explanation:
have a great day and thx for your inquiry :)
An airplane carried 113 and 137 passengers in two different trips. By setting up an inequality, find the lowest number of passengers to carry if the average number of passengers for the three trips is atleast 120
Answer:
120 ≤ (113 + 137 + x)/3
x ≥ 177
Step-by-step explanation:
(q18) Evaluate the indefinite integral.
.
The result of the indefinite integral in this problem is given as follows:
B. -1/[2(3x²+2)²] + C.
How to solve the indefinite integral?The indefinite integral in the context of this problem is defined as follows:
[tex]\int \frac{6x}{(3x^2 + 2)^3} dx[/tex]
The integral is solved using substitution, as follows:
u = 3x² + 2
du = 6x dx
dx = du/6x.
Hence the integral as a function of u is given as follows:
[tex]\int u^{-3} du = -\frac{1}{2u^2} + K[/tex]
In which K is the constant of integration.
As a function of x, the integral is given as follows:
B. -1/[2(3x²+2)²] + C.
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