An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in California. He believes that the mean income is $21.1$21.1, and the variance is known to be $42.25$42.25. How large of a sample would be required in order to estimate the mean per capita income at the 98%98% level of confidence with an error of at most $0.42$0.42? Round your answer up to the next integer.
An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in California. He believes that the mean income is $21.1$21.1, and the variance is known to be $42.25$42.25. How large of a sample would be required in order to estimate the mean per capita income at the 98%98% level of confidence with an error of at most $0.42$0.42? Round your answer up to the next integer.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in California. He believes that the mean income is $21.1$21.1, and the variance is known to be $42.25$42.25. How large of a sample would be required in order to estimate the mean per capita income at the 98%98% level of confidence with an error of at most $0.42$0.42? Round your answer up to the next integer.
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