Members of a bowling league play thousands of combined games over the course of a season. Suppose that the scores of individual games have a known standard deviation of σ
=
30
σ=30sigma, equals, 30 pins. Isla plans on taking a random sample of
n
nn games from this population to make a
95
%
95%95, percent confidence interval for the mean score. She wants the margin of error to be no more than
10
1010 pins.