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The sample mean is 57 and the population standard deviation

A sample of 48 observations is selected from a normal population. The sample mean is 57, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.01 significance level.

H₀: μ = 58

H₁: μ ≠ 58

What is the value of the test statistic?

What is the p-value?

Interpret the p-value?

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