Test the claim that the mean GPA of night students is smaller than 2.7 at the 0.01 significance level. The null and alternative hypothesis would be: H 0 : μ = 2.7 H a : μ ≠ 2.7 H 0 : p = 0.675 H a : p ≠ 0.675 H 0 : p = 0.675 H a : p > 0.675 H 0 : p = 0.675 H a : p < 0.675 H 0 : μ = 2.7 H a : μ < 2.7 H 0 : μ = 2.7 H a : μ > 2.7 The test is:.
a. two-tailed
b. left-tailed
c. right-tailed
Based on a sample of 35 people, the sample mean GPA was 2.67 with a standard deviation of 0.03
The p-value is:. (to 2 decimals)
Based on this we:.
A. Reject the null hypothesis
B. Fail to reject the null hypothesis