Question

Test the claim that the mean GPA of night students is smaller than 3.3 at the 0.10 significance level. The null and alternative hypothesis would be: H 0 : μ ≥ 3.3 H 1 : μ < 3.3 H 0 : μ = 3.3 H 1 : μ ≠ 3.3 H 0 : μ ≤ 3.3 H 1 : μ > 3.3 H 0 : p ≤ 0.825 H 1 : p > 0.825 H 0 : p ≥ 0.825 H 1 : p < 0.825 H 0 : p = 0.825 H 1 : p ≠ 0.825 The test is: left-tailed two-tailed right-tailed Based on a sample of 45 people, the sample mean GPA was 3.28 with a standard deviation of 0.05 The p-value is: (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis

Answer 1