The claim is that weights (grams) of quarters made after 1964 have a mean equal to 5.670 g as required by mint specifications. The sample size is n = 36 and the test statistic is t= -3.071. Use technology to find the P-value. Based on the result, what is the final conclusion? Usea significance level of 0.05. State the null and alternative hypotheses.HoiH₁: H(Type integers or decimals. Do not round.)The test statistic is(Round to two decimal places as needed.)The P-value is(Round to three decimal places as needed.)Based on the P-value, theresufficient evidence at a significance level of 0.01 toweights of quarters made after 1964 have a mean equal to 5.670 g as required by mint specifications.the claim that

Answered: Image /qna-images/answer/63dd04a8-8aff-4573-84d5-62d90626e82a.jpg

Answered: The claim is that weights (grams) of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose that the navy requires that the sailors on its submarines be no taller than 72 inches. Also assume that men's heights are normally distributed with mean 69.2 inches and standard deviation 2.9 inches. Considering only height, what proportion of men can serve on submarines? (Round your answer to 3 decimal places.) Answer:
we want to obtain a sample to estimate a population mean. Based on previous evidence, researchers believe the population standard deviation is approximately 38.7. We would like to be 99% confident that the estimate is within 4 of the true population mean. How large of a sample size is required ?
What sample size is needed to give a margin of error within +1 in estimating a population mean with 99% confidence, assuming a previous sample had s = 2.9. Round your answer up to the nearest integer. sample size=
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The p-value for a t-statistic was .008. What is the best way to report the level of significance? p<.008 p<.05 p<.01 p<.001
This assignment is worth 1 points. The extra point will be added to your overall course grade. For example: if you receive an 88% in the course you can receive up to 1 point giving you a new score of 89%. The following rubric will be used. 0.25 point for drawing the normal distribution curve with the mean value labeled on the curve and the appropriate area shaded. 0.25 point for determining the value of the standard deviation of the sample mean. 0.5 point for finding the correct probability. All work must be shown in order to receive any credit. Please upload your completed assignment here. The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard deviation of 0.25 hours. A sample size of n = 60 is drawn randomly from the population. Find the probability that the sample mean is between two hours and three hours.
Consider a set of data in which the sample mean is 27 and the sample standard deviation is 6.2. Calculate the z-score given that x = 28.5. Round your answer to two decimal places. An
The glucose readings are 95, 86, 84, 107, 101, 112,85,86. The sample mean is 94.8, it is a normal distribution wirh the standard devian is 12.5, and the mean glucose is 85. Do these data indicate that Ben has an overall average level higher than 85? Use a=0.05, what is the level of significance? Compute z value of the sample test statistic. Find p value
The mean cholesterol level for females in a population is 200 with a standard deviation of 25. Samples of size 64 are drawn from the population. A. What is the mean of the sample means? B. What is the standard error of the sample means?
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Solve this problem to find the sample standard deviation
C. To assess the actual mean weight of apples, a farm manager selected a random sample of 75 apples. He found that the sample mean weight was 126.2 grams with standard deviation 8.7 grams. With what degree of confidence can we say that the confidence limits are (126.2±2.57) grams?

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