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a Calculate the p value of the test described here H0

a. Calculate the p-value of the test described here.

H0: μ = 60

H1: μ > 60

x̄ = 72, n = 25, σ = 20

b. Repeat part (a) with x̄ = 68.

c. Repeat part (a) with x̄ = 64.

d. Describe the effect on the test statistic and the p-value of the test when the value of x̄ decreases.

H0: μ = 60

H1: μ > 60

x̄ = 72, n = 25, σ = 20

b. Repeat part (a) with x̄ = 68.

c. Repeat part (a) with x̄ = 64.

d. Describe the effect on the test statistic and the p-value of the test when the value of x̄ decreases.

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