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Among Americans 18-24 years of age, 63% are registered to vote. (a). If 10 Americans aged 18-24 are randomly selected, find the probability that exactly

Among Americans 18-24 years of age, 63% are registered to vote. (a). If 10 Americans aged 18-24 are randomly selected, find the probability that exactly seven of them are registered to vote. (b). If 12 Americans aged 18-24 are randomly selected, find the probability that at least 10 of them are registered to vote. (c). Suppose 16 Americans aged 18-24 are randomly selected, and let the random variable X denote the number of them who are registered to vote. Find the expected value and standard deviation of X. Describe the skewness of X, if any

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