A stationary store wants to estimate the mean retail value of greeting cards that it has in its inve


Question: A stationary store wants to estimate the mean retail value of greeting cards that it has in its inventory. A random sample of 20 greeting cards indicates an average value of $2.67 and a standard deviation of $0.32.

a) What is the 95% confidence interval for the mean value of all greeting cards in the store’s inventory?

b) What assumption(s) did you have to make, if any, to answer part (a)?

Price: $2.99
Answer: The solution file consists of 1 page
Solution Format: Word Document

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