9-10

9. Using a random sample of n = 36, the sample mean is x = 2.92. Suppose that the population standard deviation is o=0.18. Is the above statistical evidence sufficient to make the following claim: H295 right tail, one tail at the 1% level of significance? a. Write the null hypothesis Ho and alternative hypothesis Ha. (2.5 pts) b. Calculate the standard error. (2.5 pts) c. Calculate the z score. (2.5 pts) d. Calculate the p value. (2.5 pts) e. What is the conclusion? (2 pts)