Claim 45 0 05 6 7 Sample statistics 47 2, n 22 Use rejection regions to test the claim about the population mean at the level of significance Assume the population is normally distributed If convenient, use technology ...

H 0 45 claim H a 45 z 0 1645 Rejection ...

Claim: 45; = 0.05; = 6.7 Sample statistics: = 47.2, n =

Question:

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.