Owner of a store that sells cds wants to estimate the mean

Reference no: EM13603327

Owner of a store that sells CDs wants to estimate the mean amount of time a customer remains in the store. A random sample of 34 customers was observed, and found to have a sample mean time of 12.77 minutes in the store with a sample standard deviation of 3.45 minutes.

a) Construct a 90% confidence interval for the true mean time a customer will remain in the store.

b)One sentence interpretation of choice of your confidence interval.

Reference no: EM13603327

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