Question

The manager of a local fitness center wants an estimate of the number of times members use the weight room per month. From a random sample of 25 members the average number of visits to the weight room over the course of a month was 12.5 visits with a standard deviation of 3.8 visits. Assuming that the monthly number of visits is normally distributed, determine a 95% confidence interval for the average monthly usage of all members of this fitness center.


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  • CreatedJuly 07, 2015
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