Question: x-bar = 20, n = 24, = 4, H0: = 22, Ha: 22 We have provided a sample mean, sample size,

x-bar = 20, n = 24, σ = 4, H0: μ = 22, Ha: μ ≠ 22
We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test at the 5% significance level.

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