Expected value d. Suppose a random sample of 20 adults is taken. What is the probability that exactly six adults invested in mutual funds? P(x = 6) = e. Suppose a random sample of 20 adults is taken. What is the probability that fewer than six adults invested in mutual funds? P(x < 6) = f. Suppose a random sample of 20 adults is taken. What is the probability that exactly two adults invested in mutual funds? P(x = 2) =

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