Solved: Finding the sample mean, The manager of the Tee Shirt Emporium reports that the mean, Basic Statistics

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Finding the sample mean

Discuss the following:

The manager of the Tee Shirt Emporium reports that the mean number of shirts sold per week is 1,210, with a standard deviation of 325. The distribution of sales follows the normal distribution. What is the likelihood of selecting a sample of 25 weeks and finding the sample mean to be 1,100 or less?

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Basic Statistics: Finding the sample mean

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