A Survey of 85 company employees shows that the mean length of the Christmas vacation was 4.5 days, with a

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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