申論題

1. (15 points in total) The Taiwan Tourism Bureau is interested in the average amount of money a typical tourist spends per day. They surveyed 35 tourists and found that the mean spending was $63.57 with a standard deviation of $17.32.

(3) What level of confidence is associated with an interval of $58.62 to $68.52 for the population mean daily spending? (5 points)