Question: The sample mean is 12, and the sample size is 36.The population follows the normal distribution and the standard deviation is 3.Use the .05 significance

The sample mean is 12, and the sample size is 36.The population follows the normal distribution and the standard deviation is 3.Use the .05 significance level.The following information is available:

Ho:the mean is less than or equal to 10

H1:the mean is greater than 10

a.Is this a one or two tail test?

b.What is the decision rule, Reject if?

c.What is the value of the test statistic (calculated or obtained value)?

What is your decision regarding the Ho?

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