Question: Test the claim about the population mean at the level of significance . Assume the population is normally distributed. Claim: 8000;

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


Claim: μ ≥ 8000; α = 0.01. Sample statistics: x̅ = 7700, s = 450, n = 25

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