05/12/21

Find the margin of error M.E. that corresponds to a sample of size 16 with a mean of 50.3 and a standard deviation of 9.6 at a confidence level of 99.5%.
Assume that a sample is used to estimate a population mean μ. Find the margin of error M.E. that corresponds to a sample of size 16 with a mean of 50.3 and a standard deviation of 9.6 at a... more
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05/12/21

Find P29, which is the mean separating the bottom 29% means from the top 71% means.
A population of values has a normal distribution with μ=224.9 and σ=13.2. You intend to draw a random sample of size n=220. Find P29, which is the mean separating the bottom 29% means from the top... more
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05/12/21

A particular fruit's weights are normally distributed, with a mean of 221 grams and a standard deviation of 12 grams. The heaviest 13% of fruits weigh more than how many grams?
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05/12/21

Finding the length of a bridge
Determine the length of the bridge. Please show your work.
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05/12/21

A triangular prism with a right triangular base has one leg length that is 6 inches and the other leg that is 8 inches. The height of the prism is 7 inches. What is the surface area of the prism?
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05/12/21

The null hypothesis (H0) should always be equal to something?
True orFalse
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05/12/21

If the candidate only wants a 2% margin of error at a 95% confidence level, what size of sample is needed? Give your answer in whole people.
A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 2% margin of error at a 95% confidence level, what size of... more
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05/12/21

find the surface area of the figure
Find the surface area of the figure. Round to the nearest hundredth when necessary. 
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05/11/21

Geometry question
Harry is standing 30 feet from the base of a building . The angle of elevation of the top of the building is 80 degrees Find the height of the building to the nearest foot .
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05/11/21

Total area .
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05/11/21

Find the probability of the teacher choosing 2 sophomores, then 2 freshman.
A teacher chooses 4 different students to answer questions. There are 21 sophomores and 8 freshman. Find the probability of the teacher choosing 2 sophomores, then 2 freshman.
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05/11/21

The probability of a randomly selected employee of a company being male is 60%.

The probability of the employee being less than 30 years old is 70%. If the probability of the employee being less than 30 years old given that the employee is a male is 40%, what is the... more
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05/11/21

Round your answer to the nearest hundredth.
A class consists of 55% boys and 45% girls. It is observed that 25% of the class are boys and scored an A on the test, and 35% of the class are girls and scored an A on the test.If a student is... more
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05/11/21

If the area of Octagon B is 500 square centimeters, what is the area of Octagon A?
The perimeter of Octagon A is 150 centimeters. Regular Octagon B, which is similar to Octagon A, has a side length of 9 units.
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05/10/21

For the polyhedron, use Euler's Formula to find the missing number
Faces: _Edges: 10Vertices: 5
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05/10/21

A diagram of Miles’ skateboard is shown below with its dimensions. If Miles plans to paint the ramp, excluding the bottom, what is the area in which he will paint?
Is the answer 1867.2? A of triangle is 1/2 (41.8) (24) = 501.6. A of rectangle is 24 (36) = 864. 2(501.6) + 864 = 1867.2
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05/10/21

How much further does Max's frog need to jump in order to reach the finish line?
The course for the frog hopping race is 59 inches long. Max's frog has jumped 2 feet and 3 inches. How much further does Max's frog need to jump in order to reach the finish line? How many feet,... more
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05/10/21

There are 18 baseball player and 16 basketball players who are running a sports camp.
There are 18 baseball player and 16 basketball players who are running a sports camp. In how many ways could they form a 4-member fund raising committee if the committee:b) have exactly one... more
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05/10/21

probability distribution
A spinner that is divided into 5 equal pieces and labeled with numbers one to five inclusive is spun. What is the probability that it will land on an odd numbered piece exactly 6 times if it is... more
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05/09/21

How do I find the length of the side of the base, the slant height, and height of a square based pyramid with two given measurements?

How do I find the length of the side of the base, the slant height, and height of a square based pyramid with two given measurements? The two measurements are S.A = 1200m and L.A= 624m.
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05/09/21

How to find the height of a regular pyramid with a square base with only a given side and a given slant height?
I have to find the height of a square base pyramid with two given measurements, s= 16cm, slant height= 10cm, I already found the S.A and Lateral area, which is L.a= 320 cm and S.A = 576cm, I just... more
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05/09/21

use trigonometry to find the area of a
use trigonometry to find the area of a regular 20- gon with each side = 6 in (pls help asap)
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05/09/21

32 cars at a show 18 cars have four wheel drive, 21 are sports cars and 27 have four wheel drive or are sports cars
Probability that a randomly selected car at the show is a. Both four wheel drive and a sports carb. Neither a four wheel drive nor a sports car
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05/09/21

Probability and statistics

Use a 0.01 level of significance to test the claim that the mean age of actresses when they win the Oscars is 33 years. A sample of 182 actresses was found to have a mean age of 35.9 years. The... more
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05/09/21

Does, "between 6% and 10%" include 6% and 10%?
My problem: The question is a multiple correct answers/multiple choice and asks what are possible amounts of simple annual interest paid after 2 years if the rate varies between 6% and 10% (with an... more
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