We want to test whether the mean height of eighth graders is 66 inches. State the null and alternative hypotheses. Fill in the correct symbol (=, #, 2, ) for the null and alternative hypotheses. a. Ho: H _ 66 b. Ha: _66 O Ho:H =66, Hail = 66 O HO:H = 66, Hail =66 O HO:H 66, Hail = 66We want to test if it takes fewer than 45 minutes to teach a lesson plan. State the null and alternative hypotheses. Fill in the correct symbol ( =, #, 2, ) for the null and alternative hypotheses. a. Ho: H _ 45 b. Ha: H _ 45 O Hoit > 45; Hail