Suppose you are testing the following hypotheses: H0: = 650 Ha: 650 Sample size

Question:

Suppose you are testing the following hypotheses: H0: μ = 650 Ha: μ ≠ 650 Sample size is 100. The sample mean is 635. The population standard deviation is 140. The significance level is .10.
a. Compute the sample statistic, z stat.
b. Compute the appropriate p value for the sample mean.
c. Should you reject the null hypothesis? Explain.