week 5 4

The population standard deviation for the height of college football players is 3.3 inches. If we want to estimate a 90% confidence interval for the population mean height of these players with a 0.7 margin of error, how many randomly selected players must be surveyed? (Round up your answer to nearest whole number) Answer: The population standard deviation for the height of college football players is 3.3 inches. If we want to estimate a 90% confidence interval for the population mean height of these players with a 0.7 margin of error, how many randomly selected players must be surveyed? (Round up your answer to nearest whole number) Answer: 61 vv +» Hide question 4 feedback Z-Critical Value =NORM.S.INV(.95) = 1.645 n-= SD? x 72 ME? 3.32 % 1.6452 72 Z-Critical Value =NORM.S.INV(.95) = 1.645 n-= SD? x 72 ME? 3.32 % 1.6452 72