A random sample of professional wrestlers was obtained and the annual salary (in dollars) for each was recorded. Assume the distribution of annual salary is normal, with a population standard deviation of $9000. How large of a sample would be needed to estimate the true mean annual salary for all professional wrestlers within +/-$200 with 94% confidence?
A random sample of professional wrestlers was obtained and the annual salary (in dollars) for each was recorded. Assume the distribution of annual salary is normal, with a population standard deviation of $9000. How large of a sample would be needed to estimate the true mean annual salary for all professional wrestlers within +/-$200 with 94% confidence?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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