Consider the estimated equation from Example 4.3, which can be used to study the effects of skipping class on college GPA: colGPA = 1.39 + _412hsGPA + 015 ACT NM skipped (.33) (094) ) (026) n = =.234. i. using the standard normal approximation, find the 95% confidence interval for ii. Can you reject the hypothesis Ho: mGPA = .4 against the two-sided alternative at the 5% level? "i. Can you reject the hypothesis Ho: 1 against the two-sided alternative at the 5% level?