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# 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.