In the following situations is the alternative hypothesis on

In the following situations, is the alternative hypothesis one-sided or two-sided? What are the hypotheses? A pharmaceutical company conducts a clinical trial to see if more patients who take a new drug experience headache relief than the 16% who claimed relief after taking the placebo. A company wants to know if the average click-through rates (in minutes) are shorter than the 5.5 minutes that customers spent on their old website before making a purchase. The alternative hypothesis is Let p be the percentage of people who experience relief. What are the hypotheses?

Solution

a) D

b) F