To Test the Effectiveness of a New Drug Designed to Relieve

Essay

To test the effectiveness of a new drug designed to relieve pain, 200 patients were randomly selected and
divided into two equal groups. One group of 100 patients was given a pill containing the drug while the other
group of 100 was given a placebo. What can we conclude about the effectiveness of the drug if 62 of those
actually taking the drug felt a beneficial effect while 41 of the patients taking the placebo felt a beneficial effect?
Use $\alpha$ = 0.05.