Question: Jordan is the manager of a used bookstore. He wants to estimate the average amount a customer spends per visit. A random sample of 20 customer receipts had a mean of x̄ = $6.90. Based on prior information, the distribution of the amount a customer spends per visit is normal and σ = $2.45. Find a 96.52% confidence interval for the average amount spent by all customers.

Present the critical value Z _c in a Standard Normal Distribution graph. Put a title, label the

axis, put Z _c on the axis, and shade the area you are looking for (You will be graded on the presentation of the graph).

Price: $2.99

Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document