# Question

A random sample of n = 25 is obtained from a population with variance σ2, and the sample mean is computed to be x-bar = 70. Consider the null hypothesis H0: μ = 80 versus the alternative hypothesis H1: μ < 80. Compute the p-value for the following options.

a. The population variance is σ2 = 225.

b. The population variance is σ2 = 900.

c. The population variance is σ2 = 400.

d. The population variance is σ2 = 600.

a. The population variance is σ2 = 225.

b. The population variance is σ2 = 900.

c. The population variance is σ2 = 400.

d. The population variance is σ2 = 600.

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