A pharmaceutical company claims that it has a drug that is 75 percent effective in generating hair growth on the scalps of balding men. In order to generate evidence regarding the claim, a consumer...


A pharmaceutical company claims that it has a drug that is 75 percent effective in generating hair growth on the scalps of balding men. In order to generate evidence regarding the claim, a consumer research agency conducts an experiment whereby a total of 1,000 men are randomly chosen and treated with the drug. Of the men treated with the drug, 621 experienced hair growth. Do the results support or contradict the company’s claim?



Jan 15, 2022
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