Question: Test the claim about the population mean at the level of significance a. Assume the population is normally distributed. Claim: = 40;

Test the claim about the population mean μ at the level of significance a. Assume the population is normally distributed.


Claim: μ = 40; α = 0.05; σ = 1.97

Sample statistics: x̅ = 39.2, n = 25

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