ACME Fruit Stand claims its average daily number of customer…

ACME Fruit Stand claims its average daily number of customers 125.5.  You suspected this is too high, so you sent a spy to count customers for 40 days. The average daily number of customers observed was 112.8, with a sample standard deviation of 19.2. Are the necessary assumptions for making a t-confidence interval, or t-hypothesis test for the actual mean number of daily customers satisfied?  Explain, addressing each assumption.

ACME Fruit Stand claims its average daily number of customer…

ACME Fruit Stand claims its average daily number of customers 125.5.  You suspected this is too high, so you sent a spy to count customers for 40 days. The average daily number of customers observed was 112.8, with a sample standard deviation of 19.2. The test statistic and p-value are

In a recent survey, 185 of 220 ACME University students favo…

In a recent survey, 185 of 220 ACME University students favored a installinga bronze statue of Bugs Bunny. Regardless of whether or not you believe the necessary assumptions have been met, construct and interpret a 95% confidence interval for the actual proportion of all ACME University students who would support this.

ACME Fruit Stand claims its average daily number of customer…

ACME Fruit Stand claims its average daily number of customers 125.5.  You suspected this is too high, so you sent a spy to count customers for 40 days. The average daily number of customers observed was 112.8, with a sample standard deviation of 19.2. Based on your p-value, what do you conclude?