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Normal Approximation to the Binomial Distribution: In a recent survey, we found that 85% of adults...

Normal Approximation to the Binomial Distribution: In a recent survey, we found that 85% of adults like chocolate. Suppose we take a sample of 200 adults. (a) What is the probability that at least 175 adults like chocolate? (b) What is the probability that at most 168 adults like chocolate? (c) What is the probability that between 167 and 177 adults, inclusive, like chocolate?

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