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In studies for a​ medication,14 percent of patients gained weight as a side effect. Suppose 449...

In studies for a​ medication,14 percent of patients gained weight as a side effect. Suppose 449 patients are randomly selected. Use the normal approximation to the binomial to approximate the probability that

​(a) exactly 64 patients will gain weight as a side effect.

​(b) 64 or fewer patients will gain weight as a side effect.

​(c) 54 or more patients will gain weight as a side effect.

​(d) between 64 and 86 ​inclusive, will gain weight as a side effect.

Math   Statistics-And-Probability   
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