In a hypothesis test with hypotheses Ho:μ< 45 and H₁:μ > 45,

Last updated: 8/12/2022

In a hypothesis test with hypotheses Ho:μ< 45 and H₁:μ > 45, a random sample of 60 elements selected from the population produced a mean of 46.8. Assume that o = 7.1, and that the test is to be made at the 2.5% significance level. What is the critical value of z? 1.96 -1.65 -1.96 1.65