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In studies for a medication, 10 percent of patients gained weight as a side effect. Suppose 741 patients are randomly selected. Use the normal approximation

In studies for a medication, 10 percent of patients gained weight as a side effect. Suppose 741

patients are randomly selected. Use the normal approximation to the binomial to approximate the probability that

(a) exactly 75 patients will gain weight as a side effect.

(b) no more than 75 patients will gain weight as a side effect.

(c) at least 89 patients will gain weight as a side effect. What does this result suggest?

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