How much money does the average professional hockey fan spend on food at a single
hockey game? That question was posed to 40 randomly selected hockey fans. For these
sampled fans, the average amount spent was $16 with a standard deviation of $2.6.
a. Construct a 90% confidence interval for the mean amount spent on food at a
single hockey game. Write the calculator function and inputs used to calculate
the confidence interval. Round to two decimal places. (7 pts.)
b. Provide an interpretation of the confidence interval found in part (a). (3 pts.)