SOLUTION: A tennis coach wants to obtain a 95% confidence interval for the mean time it takes for all tennis players to perform a certain drill. Assuming the population standard deviation is

Algebra ->  Probability-and-statistics -> SOLUTION: A tennis coach wants to obtain a 95% confidence interval for the mean time it takes for all tennis players to perform a certain drill. Assuming the population standard deviation is      Log On


   

Question 868581: A tennis coach wants to obtain a 95% confidence interval for the mean time it takes for all tennis players to perform a certain drill. Assuming the population standard deviation is 29 minutes. How many players must be sampled so that the margin of error is 1.5?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
ME = +1.96%2829%2Fsqrt%28n%29%29
n = %281.96%2A29%29%5E2 = 3231, rounded Up to nearest whole number