Question 1. Assume the population has a normal distribution and the number of observations in a random sample is greater than fifty.

Question 1. Assume the population has a normal distribution and the number of observations in a random sample is greater than fifty.  If a z test is used to test a null hypothesis about the population mean versus the alternative that the true mean is greater than that specified by the null hypothesis, what is the critical value for a one-tailed test? Assume the type one-error rate is 0.05.