Determine whether the test is right, left it two tailed.Determine critical values. Decide whether to reject or fail the null hypothesis. Interpret decision.

When 50 people used the Weight Watchers diet for one year, their mean weight loss was 1.2 lbs., and the standard deviation was 4.9 lb. Use a 0.01 significance level to test the claim that the mean weight loss in greater than O. Question 19 (1.5 points) Listen What are the null and alternative hypotheses? OHo : T = 0 H1 : x > 0 O Ho : H = 0 H1 :u> o OHo : H = 3.2 H1 : u > 3.2 O Ho : T = 3.2 H1 : x > 3.2