Question: please help Question 1 1 pts Problem 1. A company claims that the standard deviation in their delivery times is less than 5 days. A

please help

A sample of 27 past customers was taken. The average delivery time

Question 1 1 pts Problem 1. A company claims that the standard deviation in their delivery times is less than 5 days. A sample of 27 past customers was taken. The average delivery time in the sample was 14 days with a standard deviation of 4.5 days. Please answer the following questions (Question 1.1 to 1.9) regarding problem 1. Question 1.1. To test the company's claim, what should be the Null Hypothesis? O o^2>25 O o^2225 O o'2s25 O o*225 O o^2225 O 0*2

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