How large a sample should be selected to provide a 95% confidence interval with a marginof error of 10? Assume that the population standard deviation is 40.
How large a sample should be selected to provide a 95% confidence interval with a marginof error of 10? Assume that the population standard deviation is 40.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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How large a sample should be selected to provide a 95% confidence interval with a margin
of error of 10? Assume that the population standard deviation is 40.
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