John Smith ran 50 simulations. Each of these represent a week (7 days) of working with...

John Smith ran 50 simulations. Each of these represent a week (7 days) of working with a printing machine. During each simulation, the average number of the machine's failures per day was recorded. You observed that the mean of all of your sample means follows a normal distribution with a standard deviation of 25 that is, ~N(M, 25). Later you decided to run a hypothesis testing on the population mean with the assumptions below and an alpha = 0.01.

H0:The population mean is equal to 12

H1:The population mean is not equal to 12

What would be the lowest and highest values of the sample mean that would allow you to not reject the null hypothesis?

a) Lowest value:

b) Higherst value:

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Expert Solution

orchestra answered 1 year ago

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