Question: 0 Question 13 7 E4 0/18 pts '0 99 819 (D Details Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the

0 Question 13 7 E4 0/18 pts '0 99 819 (D Details Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below: a.) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*)

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