Question
A Survey of 85 company employees shows that the mean length of the Christmas vacation was 4.5 days, with a standard deviation of 1.2 days.
A Survey of 85 company employees shows that the mean length of the Christmas vacation was 4.5 days, with a standard deviation of 1.2 days.
Construct a 95%confidence interval for the population's mean length of vacation.
( , )
Round your answer to two decimal digits
Construct a 92%confidence interval for the population's mean length of vacation.
( , )
Round your answer to two decimal digits
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College Algebra
Authors: Cynthia Y Young
4th Edition
1119320682, 9781119320685
