Suppose you are the manager of Speedy Oil Change. You think your branch is very quick with oil changes, but lately you have been getting some customer complaints that it takes too long to get an oil change. You take a random sample of 36 customers and time how long (in minutes) the customer must wait for their oil change. The results are in the table below. 42 29 19 11 10 27 41 27 22 26 28 32 17 15 25 35 31 22 13 31 17 37 33 25 18 24 28 21 40 19 33 30 14 23 22 10 In the questions below, you will perform a hypothesis test on the claim that the mean wait time is lessthan 30 minutes at a significance level of 0.01.



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