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

  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?

Write the null hypothesis Ho and alternative hypothesis Ha.

Calculate the standard error.

Calculate the z score.

Calculate the p value.

What is the conclusion?

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