Question: 1. Using a random sample of n = 50, the sample mean is x = 297.6. Suppose that the population standard deviation is =12. Is

1. Using a random sample of n = 50, the sample mean is x = 297.6. Suppose that the population standard deviation is =12. Is the above statistical evidence sufficient to make the following claim: >295 right tail, one tail at the 1% level of significance?

A. Write the null hypothesis Ho and alternative hypothesis Ha.

B. Calculate the standard error.

C. Calculate the z score.

D. Calculate the p value.

E. What is the conclusion?

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