Question: a. Given the following hypotheses, determine the p-value when x = 21, n = 25, and = 5. H0: = 20 H1:

a. Given the following hypotheses, determine the p-value when x̄ = 21, n = 25, and σ = 5.

H0: μ = 20

H1: μ ≠ 20

b. Repeat part (a) with x̄ = 22.

c. Repeat part (a) with x̄ = 23.

d. Describe what happens to the value of the test statistic and its p-value when the value of x̄ increases.


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