The correct statement regarding the exponential functions in this problem is given as follows:
D. The functions both have the same y-intercept.
How to define an exponential function?An exponential function has the definition presented according to the equation as follows:
[tex]y = ab^x[/tex]
In which the parameters are given as follows:
a is the value of y when x = 0.b is the rate of change.The functions in this problem are given as follows:
[tex]f(x) = 3(2^x) - 1[/tex][tex]g(x) = 3(2^{-x}) - 1[/tex]Hence the y-intercept for each function is given as follows:
[tex]f(0) = 3(2^0) - 1 = 3 - 1 = 2[/tex][tex]g(x) = 3(2^{0}) - 1 = 3 - 1 = 2[/tex]More can be learned about exponential functions at brainly.com/question/2456547
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Help quick!!
Jace kicked a soccer ball at a speed of 40 feet per second. If the ball never leaves the ground, then it can be represented by the function H(t) = −16t2 + 40t. Determine the time the ball traveled. (1 point)
t = 0.4 seconds
t = 2.5 seconds
t = 24 seconds
t = 40 seconds
The time that the ball traveled is given as follows:
t = 2.5 seconds.
How to obtain the time that the ball traveled?The quadratic function modeling the ball's height after t seconds is given as follows:
H(t) = -16t² + 40t.
To obtain the time traveled by the height, we must obtain the roots of the quadratic function, as follows:
-16t² + 40t = 0.
16t² - 40t = 0
t(16t - 40) = 0.
Hence the roots are:
t = 0.16t - 40 = 0 -> t = 40/16 -> t = 2.5.Which means that the time traveled by the ball is given as follows:
2.5 - 0 = 2.5 seconds.
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AB =
Round your answer to the nearest hundredth.
Answer:
hello
the answer is:
Sin B = CA/AB ----> Sin 65° = 5/AB ----> 0.906 = 5/AB
----> AB = 5.51
Julia has 12 different flowers in her garden. She has 5 roses what fraction of the flowers are roses?
Answer:
5/12
Step-by-step explanation:
Since Julia has 12 different flowers and we know she has 5 roses
we can turn it into a fraction which will be 5/12.'
100 Points! Algebra question. Graph the function. Photo attached. Thank you!
The functions have the following
Domain: (-∞, -1) ∪ (-1, ∞)
Range: (-∞, -∞) excluding -5
Vertical Asymptote: x = -1
Horizontal Asymptote: y = -5
We have,
Domain:
The domain of a function refers to the set of all possible input values (x) for which the function is defined.
In this case, the function f(x) is defined for all real numbers except when the denominator (x + 1) is equal to zero.
The domain is all real numbers except x = -1.
So, the domain is (-∞, -1) ∪ (-1, ∞).
Range:
The range of a function refers to the set of all possible output values (y) that the function can produce.
In this case, we can observe that as x approaches -1 from either side, the function approaches negative infinity.
The range is (-∞, -∞) excluding -5.
Vertical Asymptote:
A vertical asymptote occurs when the function approaches infinity or negative infinity as x approaches a certain value.
In this case, the vertical asymptote occurs when the denominator (x + 1) is equal to zero, which is x = -1.
Horizontal Asymptote:
To determine the horizontal asymptote, we need to examine the behavior of the function as x approaches positive or negative infinity.
As x approaches positive or negative infinity, the term 1/(x + 1) becomes negligible compared to -5.
The horizontal asymptote is y = -5.
Thus,
The functions have the following
Domain: (-∞, -1) ∪ (-1, ∞)
Range: (-∞, -∞) excluding -5
Vertical Asymptote: x = -1
Horizontal Asymptote: y = -5
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50 Points! Multiple choice algebra question. Photo attached. Thank you!
The phase shift of the trigonometric function is given as follows:
D) 90º to the left.
How to define a trigonometric function?The standard definition of the sine function is given as follows:
y = Asin(B(x - C)) + D.
For the cosine function, we have the same definition, we only use cos() instead of sin().
For which the parameters are given as follows:
A: amplitude.B: the period is 2π/B.C: phase shift.D: vertical shift.For this problem, we have that the phase shift is of C = 90. As we are adding inside of the domain of the function, the phase shift is to the left.
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Complete the work to solve for y: 2 5 ( 1 2 y + 5 ) − 4 5 = 1 2 y − 1 + 1 10 y 1.Distributive property: 1 5 y + 2 − 4 5 = 1 2 y − 1 + 1 10 y 2.Combine like terms: 1 5 y + 6 5 = 3 5 y − 1 3.Subtraction property of equality: 6 5 = 2 5 y − 1 Addition property of equality: 11 5 = 2 5 y 4.Division property of equality: What is the value for y?
The value of y is 4.4.
Let's go through the steps to solve for y:
Distributive property:
[tex]1/5y + 2 - 4/5 = 1/2y - 1 + 1/10y[/tex]
Combine like terms:
[tex]1/5y + 2 - 4/5 = 1/2y - 1 + 1/10y[/tex]
Simplify the equation by getting rid of fractions. To do this, we can multiply every term by the least common denominator (LCD) of 10:
[tex]10 * (1/5y + 6/5) = 10 * (3/5y - 1 + 1/10y)[/tex]
Simplifying further:
[tex]2y + 12 = 6y - 10 + y[/tex]
Now, let's combine like terms again:
[tex]2y + 12 = 7y - 10[/tex]
Next, let's isolate the variable y. Subtract 2y from both sides and add 10 to both sides:
[tex]12 + 10 = 7y - 2y[/tex]
Simplifying:
22 = 5y
Finally, divide both sides by 5 to solve for y:
y = 22/5
Note: It's important to check our solution by substituting y = 4.4 back into the original equation to ensure it satisfies the equation.
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Answer:
11/2
Step-by-step explanation:
11/5 = 2/5y
11 = 2y
y = 11/2
Please someone help me. See the picture
The maximum error of the midpoint approximation is 0.55.
How to find the maximum error of the midpointTo estimate the maximum error, we can consider the worst-case scenario by assuming that the second derivative is at its maximum value throughout the interval [11, 31]. In this case, we can use the largest possible value for M.
To find the maximum error of the midpoint approximation, we need to determine the width of the interval and divide it by 2.
Width of the interval = upper bound - lower bound = 10.5 - 9.4 = 1.1
Maximum error (E) = (Width of the interval) / 2 = 1.1 / 2 = 0.55
Therefore, the maximum error of the midpoint approximation is 0.55.
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Find the volume of the oblique rectangular prism below. Round your
answer to the nearest tenth if necessary.
9
8
The volume of the oblique rectangular prism that is given above would be = 212.4
How to calculate the volume of the oblique rectangular prism?To calculate the volume of the oblique rectangular prism, the formula for the volume of a prism should be used which is given below. That is;
Volume of prism= L×w×h
where;
Length = 9
width = 4
height = ?
But the height of the oblique rectangular prism can be calculated using the sine formula;
That is;
height = 8× 0.7314
= 5.9
Therefore volume = 9×4×5.9 = 212.4
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A picture framing business designs two types
of pictures -- matted and unmatted.
The company employees can complete 36
pictures each day using up to 80 total man-
hours of labor. It takes 4 man-hours to complete
one matted and framed picture, and 2 man-hours
to complete one unmatted and framed picture.
How many of each type of picture should be
made daily to maximize the company's profit,
if the profit on a matted picture is $40 and the
profit on an unmatted picture is $35?
To determine the optimal number of matted and unmatted pictures to maximize the company's profit, we can set up a linear programming problem.
Let's denote:
- x: the number of matted pictures
- y: the number of unmatted pictures
The objective is to maximize the profit, which can be expressed as:
Profit = 40x + 35y
We need to consider the following constraints:
1) The number of pictures completed each day cannot exceed 36:
x + y ≤ 36
2) The total man-hours of labor cannot exceed 80:
4x + 2y ≤ 80
3) The number of pictures cannot be negative:
x, y ≥ 0
Now we can solve this linear programming problem to find the optimal values for x and y.
First, let's graph the feasible region defined by the constraints:
```
x + y ≤ 36
4x + 2y ≤ 80
x, y ≥ 0
```
The feasible region is the area of the graph that satisfies all the constraints.
Next, we need to evaluate the objective function (Profit = 40x + 35y) at the vertices of the feasible region to find the maximum profit.
We can use different methods such as the corner-point method or the simplex method to determine the vertices and evaluate the profit at each vertex.
Thus, once we find the vertex that yields the maximum profit, we will have the optimal values for x and y.
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100 Points! Algebra question. Photo attached. Find the amplitude, if it exists, and period of the function. Then graph the function. Thank you!
The amplitude and the period of the function f(x) = cos(5θ) are 1 and 2π/5
How to determine the amplitude and period of the functionFrom the question, we have the following parameters that can be used in our computation:
f(x) = cos(5θ)
A sinusoidal function is represented as
f(x) = Acos(B(x + C)) + D
Where
Amplitude = APeriod = 2π/BSo, we have
A = 1
Period = 2π/5
Evaluate
A = 1
Period = 2π/5
Hence, the amplitude is 1 and the period is 2π/5
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I don’t know the solution too this math problem
Answer:
Step-by-step explanation:
x° + 2x° + 9° = 180°
3x° + 9° = 180°
x° + 3° = 60°
x = 57°
Given the functions listed,
a) Determine the rule for (f - g)(x)
b) Evaluate (f – g)(-2)
f(x)=2x^2-3x+4 & g(x) = 8x +7
The rule for (f - g)(x) is (f - g)(x) = 2x² - 11x - 3 and the value of (f - g)(-2) is 27
Determining the rule for (f - g)(x)From the question, we have the following parameters that can be used in our computation:
f(x) = 2x² - 3x + 4
g(x) = 8x + 7
The rule for (f - g)(x) is calculated as
(f - g)(x) = f(x) - g(x)
Substitute the known values in the above equation, so, we have the following representation
(f - g)(x) = 2x² - 3x + 4 - 8x - 7
So, we have
(f - g)(x) = 2x² - 11x - 3
Evaluating the function (f - g)(-2)Here, we have
x = -2
Substitute the known values in the (f - g)(x) = 2x² - 11x - 3, so, we have the following representation
(f - g)(-2) = 2(-2)² - 11(-2) - 3
Evaluate
(f - g)(-2) = 27
Hence, the value of (f - g)(-2) is 27
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A rectangles width is 1/2 of its length. Its area is 338 square centimeters. What are its dimensions?
The width of the rectangle is 13 cm and the dimension is 26 cm x 13 cm
Given data ,
Let the length be L and width be W
Now , the width is 1/2 of the length, so we can write:
W = (1/2)L
The area of a rectangle is given by the formula:
Area = Length x Width
Given that the area is 338 square centimeters, we can write:
338 = L × W
Substituting W with (1/2)L, we have:
338 = L × (1/2)L
To solve this equation, we can multiply both sides by 2 to eliminate the fraction:
676 = L²
Taking the square root of both sides, we find:
L = √676
L = 26
So the length of the rectangle is 26 centimeters.
Substituting this value back into the equation for the width, we have:
W = (1/2)L
W = (1/2)(26)
W = 13
Hence , the dimensions of the rectangle are length = 26 centimeters and width = 13 centimeters
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What is the surface area of the cylinder? Approximate using π = 3.14 and round to the nearest square meter.
a cylinder with a radius labeled 2.3 meters and height labeled 6.9 meters
336 square meters
133 square meters
84 square meters
73 square meters
The surface area of the cylinder is 133 square meters.
The formula for the surface area of a cylinder is given by:
Surface Area = 2πrh + 2πr²
Given that the radius (r) is 2.3 meters and the height (h) is 6.9 meters, we can substitute these values into the formula:
Surface Area =2 x 3.14 x 2.3 x 6.9 + 2 x 3.14 x 5.29
= 2 x 3.14 x 15.87 + 33.925
= 132.8848 square meter.
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Answer: B 133
Step-by-step explanation:
I really need help doing this Constructing an Angle Bisector. please help me.
The bisector of angle RQP is angle PQT and angle RQT, both angles are equal and their sum is equal to angle RQP.
What is the bisector angle RQP?Angle bisector or a bisector angle is a type of angle obtained after dividing the initial angle into two equal parts.
The bisected angle can be obtained using a pair of compass and a pencil attached to it.
To bisect the given angle RQP; we will take the following steps;
Place the compass on exactly point Q.Expand the radius of the compass such that the pencil attached to the compass will be in between R and P.Strike an arc with the pencil clock wiseStrike another arc with the pencil anti clock wise such that the two arc intersects.Draw a line from point Q to intersect the two arcs.Label the point of intersection of the two arcs TFinally, angle PQT is equal to angle RQTLearn more about bisector angles here: https://brainly.com/question/24334771
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PLEASE HELP TIMED
The amount that two groups of students spent on snacks in one day is shown in the dot plots below.
Group A
A dot plot titled Group A. A number line going from 0 to 5 labeled Amount in Dollars. There are 0 dots above 0, 5 above 1, 4 above 2, 1 above 3, and 0 above 4 and 5.
Group B
A dot plot titled Group B. A number line going from 0 to 5 labeled Amount in Dollars. There are 0 dots above 0, 3 above 1, 2 above 2, 4 above 3, 0 above 4, and 1 above 5.
Which statements about the measures of center are true? Select three choices.
The mean for Group A is less than the mean for Group B.
The median for Group A is less than the median for Group B.
The mode for Group A is less than the mode for Group B.
The median for Group A is 2.
The median for Group B is 3.
The three statements about the measures of center that are true include the following:
A. The mean for Group A is less than the mean for Group B.
B. The median for Group A is less than the median for Group B.
C. The mode for Group A is less than the mode for Group B.
How to calculate the mean for the set of data?In Mathematics and Geometry, the mean for this set of data can be calculated by using the following formula:
Mean = [F(x)]/n
Group A
Mean for Group A = [(1 × 5) + (2 × 4) + (3 × 1)]/(5 + 4 + 1)
Mean for Group A = (5 + 8 + 3)/10
Mean for Group A = 16/10
Mean for Group A = 1.6
Mode for Group A = 1
Median for Group A = (1 + 2)/2
Median for Group A = 3/2
Median for Group A = 1.5
Group B
Mean for Group A = [(1 × 3) + (2 × 2) + (3 × 4) + (5 × 1)]/(3 + 2 + 4 + 1)
Mean for Group A = (3 + 4 + 12 + 5)/10
Mean for Group A = 24/10
Mean for Group A = 2.4
Mode for Group B = 3
Median for Group B = (2 + 3)/2
Median for Group B = 5/2
Median for Group B = 2.5
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
Answer: A,B,C
Step-by-step explanation:
50 Points! Multiple choice algebra question. Photo attached. Thank you!
On first down, Savannah threw a 29-yard pass.
On the next play, she threw a 13-yard pass. How
feet did Savannah throw in all?
many
A. 42 feet
B. 96 feet
C. 126 feet
D. 128 feet
Answer: 126 feet
Step-by-step explanation: Convert yards into feet. IF we are given different units then you must convert it.
To convert yards into feet, MULTIPLY by 3
29 yards * 3= 87 feet
13 yards * 3= 39 feet
Now, key word= THROWS IN ALL= addition
87 + 39 is 126
Sally had 52 more stickers than Joe after Joe gave 1/5 of his stickers to her. if they both had a total of 260 stickers, how many stickers did Sally have to start?
There are 125 stickers did Sally have to start.
We have to given that,
Sally had 52 more stickers than Joe after Joe gave 1/5 of his stickers to her.
Let us assume that,
Joe had x stickers to start with.
Since, After Joe gave 1/5 of his stickers to her.
He have 4/5 of his original amount left.
That is, 4/5x
Since, Sally had 52 more stickers than Joe
Hence, We get;
4/5x + 52 = 1/5x + y .. (i)
where y is the number of stickers Sally had to start with.
Here, they both had a total of 260 stickers,
Hence,
x + y =260 .. (ii)
From (i) and (ii);
y = 125
Thus, There are 125 stickers did Sally have to start.
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Can I get help, please
Answer:
see attached
Step-by-step explanation:
You want the areas of the four triangles in the figure.
Triangle areaThe area of a triangle is given by the formula ...
A = 1/2bh
where b is the base of the triangle, and h is its height perpendicular to the base.
Triangles A, B, C are right triangles, so their areas are easy to figure. Triangle D will be the difference between the area of the square and the areas of the other triangles.
The calculations are shown in the first attachment. Confirmation is provided by a geometry program in the second attachment.
__
Additional comment
If all you have are the coordinates of the vertices of triangle D, this method of finding its area is as good as any. There are other methods that can also be used, but they can be more trouble.
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Given the net, what is the surface area of the rectangular prism below?
PLS HELP ASAP WILL MARK BRAINLIST
Answer:
Step-by-step explanation:
I'm sorry, but I cannot answer your question without a visual representation or description of the rectangular prism. Please provide more information or a picture so that I can assist you accurately.
Answer:
72 cm 2?? THERE Isn't anything bellow I am sorry?
Step-by-step explanation:
A survey of 45 people was conducted to compare their self-reported height to their actual height. The difference between reported height and actual height was calculated.
You're testing the claim that the mean difference is greater than 0.
From the sample, the mean difference was 0.3, with a standard deviation of 0.8.
Calculate the test statistic, rounded to two decimal places
The test statistic is given as follows:
t = 2.52.
How to calculate the test statistic?We have the standard deviation for the sample, thus, the t-distribution is used. The test statistic is given by the equation presented as follows:
[tex]t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}[/tex]
In which:
[tex]\overline{x}[/tex] is the sample mean.[tex]\mu[/tex] is the value tested at the null hypothesis.s is the standard deviation of the sample.n is the sample size.The parameters for this problem are given as follows:
[tex]\overline{x} = 0.3, \mu = 0, s = 0.8, n = 45[/tex]
Hence the test statistic is given as follows:
[tex]t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}[/tex]
[tex]t = \frac{0.3 - 0}{\frac{0.8}{\sqrt{45}}}[/tex]
t = 2.52.
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The diameter of a circle measures 28 cm. What is the circumference of the circle? Use 3.14 for pi, and do not round your answer. Be sure to include the correct unit in your answer.
The circumference of the circle with the measure of diameter as 28 cm is 87.92 cm.
Given a circle.
Also given that,
Diameter of the circle = 28 cm
We know that, radius of a circle is half the measure of the diameter of the circle.
Radius of the circle = 28 / 2 = 14 cm
The formula to find the circumference of the circle is,
Circumference = 2 πr
Here r is the radius of the circle.
Substituting the given,
Circumference = 2 π (14)
= 28π
= 28 × 3.14
= 87.92 cm
Hence the circumference is 87.92 cm.
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15. The volumes of two similar solids are 857.5 mm^3 and 540 mm^3. The surface area of the smaller solid is 108 mm^2. What is the surface area of the larger solid?
The required surface area of the larger solid is approximately 147 mm². Option A is correct.
We know that,
The surface area of any form is the area of the shape that is fronted.
The surface area of a 3D object is the amount of area covering the outside.
Let's say the surface area of the bigger solid S.
Since the two solids are similar, their volumes have a ratio of (side length)³.
Let's say the ratio of the side lengths of the larger to the smaller solid as k. Then,
⇒ k³ (540 mm³) = 857.5 mm³
Simplifying the above equation, we get:
⇒ k = 7/6
So, the larger solid is about 7/6=1.183 times bigger than the smaller solid in terms of side length.
Since the surface area has a ratio of (side length)²,
we can find the surface area of the larger solid by:
⇒ (1.83²)(108 mm³)
≈ 174 mm³
Therefore, the surface area of the larger solid is approximately 147 mm².
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please help! thank uu ~ :)
Answer:
Impossible
Step-by-step explanation: if a cube is number from 1-6 theirs no chance of getting a number less than 1.
Owen and Genesis are making fruit salads for a picnic. Owen mixes 14 cups of melon and 3 cups of apple and Genesis mixes 6 cups of melon and 1 cup of apple. Use owen and Genesis’s percent of melon to determine whose fruit salad will taste more melony.
The area of the entire figure below is 1 square unit.
How can we describe the area of the striped rectangle?
Answer:
4/15 square unit (0.2667 rounded)
Step-by-step explanation:
The whole square is one square as
((1/10) x 10 (columns)) multiplied by ((1/3) x 3 (rows)) = 1 multiplied by 1 = 1.
So, with that, the area of the striped rectangles should be:
(1/10) x 4 (columns in the striped area of rects) multiplied by (1/3) x 2 (rows in the striped area of rects) = 0.4 multiplied by 2/3 = 4/15 square unit.
Color Payout
Red $2
Blue $6
Green $6
Yellow $20
The game costs $5 to play. You win money based on the color the spinner lands on (the spinner can land on any color, not just green).
Payouts are as follows:
Find the expected value of the following game to the player.
Express your answer in dollars
rounded to the nearest cent (e.g.
$3.50)
Answer:
$2.25
Step-by-step explanation:
Red: $2
Blue: $6
Green: $6 + $5 (original cost of game) = $11
Yellow: $20
The total number of slots on the spinner is 4, with one slot for each color. Since the spinner can land on any color with equal probability, the probability of it landing on each color is 1/4 or 0.25.
Therefore, the expected value of the game is:
(0.25 x $2) + (0.25 x $6) + (0.25 x $11) + (0.25 x $20) - $5 = $2.25
Solve for x square root of (2x^2+1)=0
Sorry for bad handwriting
if i was helpful Brainliests my answer ^_^
5. 49% of adults say cashews are their favorite kind of nut. You randomly select 19 adults and ask
each to name his or her favorite nut. Find the probability that the number who say cashews are
their favorite nut is exactly four. (Round to the nearest thousandth as needed.)
6. According to the website nationalbikeregistry.com, at UCLA only 3% of stolen bikes are returned
to owners. If there are 335 bikes stolen at UCLA what is the probability that 12 or more stolen
bikes will be returned? (Round to the nearest thousandth as needed.)
The probability that exactly four out of 19 adults say cashews are their favorite nut is approximately 0.251.
The probability that 12 or more stolen bikes will be returned is approximately 0.026 (rounded to the nearest thousandth).
To solve both of these probability problems, we can use the binomial probability formula:
P(X = k) = (n C k) × p^k × (1 - p)^(n - k)
where:
P(X = k) is the probability of getting exactly k successes
n is the total number of trials
k is the number of desired successes
p is the probability of success in a single trial
(1 - p) is the probability of failure in a single trial
(n C k) represents the binomial coefficient, calculated as n! / (k! x (n - k)!)
Let's solve each problem separately:
The probability that exactly four out of 19 adults say cashews are their favorite nut can be calculated as:
P(X = 4) = (19 C 4) ⁴(0.49⁴) (0.51¹⁵)
Using the binomial probability formula, we can calculate:
P(X = 4) ≈ 0.251
Therefore, the probability that exactly four out of 19 adults say cashews are their favorite nut is approximately 0.251.
To find the probability that 12 or more stolen bikes will be returned out of 335 stolen bikes, we can use the binomial probability formula. Let's denote the probability of a stolen bike being returned as p = 0.03, the number of trials as n = 335, and the number of desired successes as k = 12 or more.
Using the complement rule, we can calculate the probability of not getting 11 or fewer successes:
P(X ≥ 12) = 1 - [P(X = 0) + P(X = 1) + ... + P(X = 11)]
To perform the calculation, summing up individual probabilities can be time-consuming. However, using statistical software or a binomial probability calculator can provide a convenient solution.
Using such a calculator, we find that the probability of 11 or fewer stolen bikes being returned is approximately 0.974. Therefore, the probability of 12 or more stolen bikes being returned is:
P(X ≥ 12) = 1 - 0.974 ≈ 0.026
Thus, the probability that 12 or more stolen bikes will be returned is approximately 0.026 (rounded to the nearest thousandth).
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