A commonly prescribed drug on the market for relieving nervous tension is believed to be only 60% effective. What is the probability that in a random sample of 100 adults, more than 70% (more than 70 of the 100) of the people who were suffering from nervous tension received relief after taking the drug? Is this unusual?

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Answer To find the probability that more than 70 of the people in a random sample of 100 adults rece... View the full answer