Question: Claim: 45; = 0.05; = 6.7 Sample statistics: = 47.2, n = 22 Use rejection regions to test the claim

Claim: μ ≤ 45; α = 0.05; σ = 6.7
Sample statistics: = 47.2, n = 22
Use rejection regions to test the claim about the population mean μ at the level of significance α. Assume the population is normally distributed. If convenient, use technology.

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