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Macmillan Learning According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015 for non-Hispanic white males was 76.3 years. Assume that the standard deviation was 15 years, as suggested by the Bureau of Economic Research. The distribution of age at death, X, is not normal because it is skewed to the left. Nevertheless, the distribution of the mean, x, in all possible samples of size n is approximately normal if n is large enough, by the central limit theorem. Suppose that Esmé is a researcher for a large, for-profit hospital company. She takes a simple random sample of n = 100 non-Hispanic white males obtained from all death records over the past year. Determine the sample mean, x, such that the probability is 99% that the mean in Esmé's sample will be greater than x. You may find a table of critical values useful. Give your answer to the precise to one decimal place. x = 79.7 Incorrect years

Macmillan Learning According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015 for non-Hispanic white males was 76.3 years. Assume that the standard deviation was 15 years, as suggested by the Bureau of Economic Research. The distribution of age at death, X, is not normal because it is skewed to the left. Nevertheless, the distribution of the mean, x, in all possible samples of size n is approximately normal if n is large enough, by the central limit theorem. Suppose that Esmé is a researcher for a large, for-profit hospital company. She takes a simple random sample of n = 100 non-Hispanic white males obtained from all death records over the past year. Determine the sample mean, x, such that the probability is 99% that the mean in Esmé's sample will be greater than x. You may find a table of critical values useful. Give your answer to the precise to one decimal place. x = 79.7 Incorrect years

MATLAB: An Introduction with Applications
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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Question 20 of 20 > O Macmillan Learning According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015 for non-Hispanic white males was 76.3 years. Assume that the standard deviation was 15 years, as suggested by the Bureau of Economic Research. The distribution of age at death, X, is not normal because it is skewed to the left. Nevertheless, the distribution of the mean, x, in all possible samples of size n is approximately normal if n is large enough, by the central limit theorem. Suppose that Esmé is a researcher for a large, for-profit hospital company. She takes a simple random sample of n = 100 non-Hispanic white males obtained from all death records over the past year. Determine the sample mean, x, such that the probability is 99% that the mean in Esmé's sample will be greater than x. You may find a table of critical values useful. Give your answer to the precise to one decimal place. x = Attempt 2 79.7 Incorrect 7 years
Transcribed Image Text:Question 20 of 20 > O Macmillan Learning According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015 for non-Hispanic white males was 76.3 years. Assume that the standard deviation was 15 years, as suggested by the Bureau of Economic Research. The distribution of age at death, X, is not normal because it is skewed to the left. Nevertheless, the distribution of the mean, x, in all possible samples of size n is approximately normal if n is large enough, by the central limit theorem. Suppose that Esmé is a researcher for a large, for-profit hospital company. She takes a simple random sample of n = 100 non-Hispanic white males obtained from all death records over the past year. Determine the sample mean, x, such that the probability is 99% that the mean in Esmé's sample will be greater than x. You may find a table of critical values useful. Give your answer to the precise to one decimal place. x = Attempt 2 79.7 Incorrect 7 years
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