Answer:
The value of the test statistic is 2.17.
Step-by-step explanation:
The test statistic is:
[tex]t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]
In which X is the sample mean, [tex]\mu[/tex] is the hypothetised mean, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.
Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is more than 54%.
This means that:
[tex]\mu = 0.54[/tex]
[tex]\sigma = \sqrt{0.54*0.46} = 0.4984[/tex]
A political study took a sample of 1300 voters in the town and found that 57% of the residents favored construction.
This means that [tex]n = 1300, X = 0.57[/tex]
Find the value of the test statistic.
[tex]t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]
[tex]t = \frac{0.57 - 0.54}{\frac{0.4984}{\sqrt{1300}}}[/tex]
[tex]t = 2.17[/tex]
The value of the test statistic is 2.17.
What number is triple six?
Answer
The answer is 666
Factorise the following:
Answer:
hello sis!!!
Step-by-step explanation:
hope this helps you ^_^
Answer:
49x²-16/25
=(7x)²-(4/5)²=(7x+4/5)(7x-4/5)
use formula
a²-b²=(a+b)(a-b)
An article reports that a sample of 220 juvenile rainbow trout fed a diet fortified with equal amounts of the amino acids taurine and methionine for a period of 70 days had a mean weight gain of 313% with a standard deviation of 25, while 220 fish fed with a control diet had a mean weight gain of 233% with a standard deviation of 19. Units are percent. Find a 99% confidence interval for the difference in weight gain on the two diets. (Round the final answers to two decimal places.)
Answer:
hhjkiijhuuiiiuui8i8h g uiollll
Use the drawing tools to form the correct answer on the graph. Graph this function. f(x) = -1/3x+8
The graph of the function has the x intercept at 24 and the y intercept at 8.
What is graph of a function?A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner. The graph of a function f is the set of all points in the plane of the form (x, f(x)).
For the given situation,
The function is f(x) = -1/3 x+8
Plot this function on the graph as shown below.
The graph shows the function and the x intercept and y intercept.
The x intercept is the point where a line crosses the x axis and y intercept is the point where a line crosses the y axis.
From the graph, the x intercept is 24 and the y intercept is 8.
Hence we can conclude that the graph of the function has the x intercept at 24 and the y intercept at 8.
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given polynomials p, q, r, and s . q≠0 ,s≠0 and r≠0
Answer:
[tex]\frac{p}{q} \div \frac{r}{s} = \frac{ps}{qr}[/tex]
Step-by-step explanation:
Given
[tex]\frac{p}{q} \div \frac{r}{s} =[/tex]
Required
Solve
[tex]\frac{p}{q} \div \frac{r}{s} =[/tex]
Turn division to multiplication
[tex]\frac{p}{q} \div \frac{r}{s} = \frac{p}{q} * \frac{s}{r}[/tex]
[tex]\frac{p}{q} \div \frac{r}{s} = \frac{ps}{qr}[/tex]
20 POINTS PLZ HELP
What would the equation y = -2x + 24 look like when graphed?
It would be a straight line.
It would be a curve.
It would be a parabola.
It would be a triangle.
Answer:
It would be a straight line.
Step-by-step explanation:
It would be a negative, linear line. It would be steep.
A multiple choice test has 30 questions each with four options. What is the probability of getting all 30 questions correct by guessing? do not evaluate
Answer:
1 out 4^30
not very good odds!
A park bench is 2½ yards long and ⅓ yard deep. How many square yards is its sitting area?
Answer: 1.4259
Explanation: Square 2 1/2 comes up with 6 1/4 then square root that then multiply by 1/3
The sides of triangle have lengths 6, 7, and 10. What type of triangle is it?
Answer:
Obtuse triangle
Step-by-step explanation:
[tex]10^{2} > 6^2 + 7^2[/tex]
Answer:
Acute triangle
Step-by-step explanation:
Which function is not the same as the other three?
A solid figure is shown. It is a rectangular prism. 3 cm 5 cm 9 cm What is the volume of the figure? A. 17 cm 3 B. 27 cm 3 C. 45 cm 3 OD. 135 cm H E. 174 cm 3
Answer:
Step-by-step explanation:
17
Find the value of x for m (arc AB)=23 and m(arc CD)=32 (the answer will be a decimal )
Select the correct answer.
A company is analyzing whether its employees prefer to skip their lunch break and leave a half-hour early each day or take a lunch break and
leave at the normal time each day. It conducts an observational study to determine which option is selected more often. At the end of the first
week, the company finds that the majority of employees prefer to skip their lunch break and leave a half-hour early each day.
The company then repeats the observational study for 10 more weeks. The study yields the same results for only five of the weeks. What
generalization can be made from the results of this study?
A. The sample is biased; therefore, a generalization cannot be made regarding which option is selected more often.
B. The majority of employees prefer to skip their lunch break and leave a half-hour early.
C. The results are inconclusive; therefore a generalization cannot be made regarding which option is selected more often.
D. The majority of employees prefer to take a lunch break and leave at the normal time each day.
Answer:
The results are inconclusive; therefore a generalization cannot be made regarding which option is selected more often.
Please give me brainliest, I really need it.
Rhada has a 3-pound bag of clay. Her craft project requires 3 ounces of clay for each batch of 5 ornaments. If she uses all of the clay, how many ornaments can Rhada make?
Answer:
80 ornaments
Step-by-step explanation:
3lb times 16oz= 48 oz.
48oz / 3 = 16 batches
o= 16 batches times 5 ornaments= 80 ornaments
80 ornaments. Someone correct me if im wrong.
HELP QUICK!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
b,bcoz of the gravity inside the popcorn
Answer:
a) 7 pounds
b) 6.7 pounds (2 boxes of size 2 kg, 1 size 1kg)
PLZ HELP QUICKLY PLZ 20 POINTS PLZ
Answer:
I think we could use pemdas for this
Step-by-step explanation:
parenthesis
exponents
multiply
divide
add
subtract
multiply 9 and 3 would probably be best
Answer:
add -15 and 9
(a)
Plastic Rods
A factory makes rods by cutting plastic pipes that are 55 feet long into 88 rods.
Part A
How long is each rod?
0.625
feet
You may use the scratchpad to show your work.
Enter your answer as a fraction or a mixed number.
(b)
Part B
What is the total length of 1313 rods?
I just need part B I already have part A i pls just give me the answer to part B!!
A bicycle and a biker have a mass of 80 kg traveling at a velocity of 3 m/s. What will happen to the kinetic energy, if the biker increases the speed to 6 m/s.
Answer:
The kinetic energy will increase.
Step-by-step explanation:
1/2*80*9=360J .After the acceleration, it will increase to 1/2*80*36=1440J
Vertical/supplementary/Complementary Angles (Algebraic)
a truck is carrying 9 cars weighing an average of 4,500 pounds each. what is the total weight in tons of the cars on the truck.
STEP-BY-STEP PLS!!!!!!
Can someone please help?
Answer:
SOME OF THE WORDS ARE BLURRY TRY TAKING A BETTER PICTURE
Manos a la obra
los angulos internos de los siguientes poligonos con tu transportador, anótalos
su suma. Después, escribe el resultado en las lineas
sobre la figura y calcula su suma.
Answer:
Step-by-step explanation:
Cuales es los polígonos?
!!! PLEASE HELP ASAP !!!! just fill in the few boxes (serious answers only or i’ll report)
also if you zoom in on the picture, it’ll become clear
Answer:
See explanation
Step-by-step explanation:
sin(α + β) = sin α cos β + sin β cos α
sin(α - β) = sin α cos β - sin β cos α
[tex]\frac{1}{2}[/tex][ sin(α + β) + sin(α - β)] = [tex]\frac{1}{2}[/tex][sin α cos β + sin β cos α + sin α cos β - sin β cos α]
= [tex]\frac{1}{2}[/tex][2 sinα cos β]
= sin α cos β = [tex]\frac{1}{2}[/tex][ sin(α + β) + sin(α - β)]
A single die is rolled. Find the probability of getting an odd number or a number less
than 5.
Answer:
Answer:Rolling a odd number is 1/5 and rolling a number less than five is 3/5
Step-by-step explanation:
The distance around a meteor crater is 9,799 ft. Find the diameter of the crater. Use 22 7 for π.
Answer:
3118.7ft
Step-by-step explanation:
Given data
Circumference= 9,799 ft
We want to find the diameter, but we need to get the radius
C= 2πr
9,799=2*22/7*r
9,799=2*3.142*r
9,799=6.284r
r=9,799/6.284
r= 1559.35
Hence the diameter is =1559.35*2
Diameter=3118.7ft
1. When observing the specimen, in which
part of the microscope will you place it?
A. base
B. stage
C. eyepiece D. inclination joint
Answer:
b. the stage
Step-by-step explanation:
The stage typically has a stage clip on either side to hold the slide firmly in place.
Helppppp!!! due in a few minutes
Answer:
b is the answer
Step-by-step explanation:
Solve it and take y in right hand side
61°
Х
X =
degrees.
please help me
Step-by-step explanation:
61 + 90 = 151 degree
180 - 151 = 29 degree
180 - 29 = 151 degree is x value
6 21
__ = __
х 31.5
a. X = 4
b. X = 9
C. X = 110.25
Answer:
Formula for Geometric Mean is given by,. ⇒ Geometric ... Thanks!!!! 6 21 __ = __ х 31.5 a. X = 4 b. X = 9 C. X = 110.25.
Laura's new bedroom is in the shape of a square and has an area of 144 ft2
What should Laura do to find the length of each side of her bedroom?
The length of each side of her bedroom is 12 feet.
Here,
Laura's new bedroom is in the shape of a square and has an area of 144 ft2.
We have to find the length of each side of her bedroom.
What is Area of square?
If the side of a square is 'x' then, Area of square is [tex]x^{2}[/tex].
Now,
Laura's new bedroom is in the shape of a square and has an area of 144 ft2.
Let length of each side is x.
Then,
[tex]x^{2} = 144\\\\x = \sqrt{144} \\\\x = 12[/tex]
Hence, The length of each side of her bedroom is 12 feet.
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