To test the effectiveness of a new drug designed to relieve

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To test the effectiveness of a new drug designed to relieve pain, 250 patients were randomly selected and divided into two equal groups. One group of 125 patients was given a pill containing the drug while the other group of 125 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 ? = 0.05.

Reference no: EM13624582

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