About 10.3% of American high school students drop out before graduating from high school. In a random sample of 78 Americans, what is the probability that at most 6 American high school students dropped out?  (Give answer as a decimal correct to three decimal places.) What is the probability that exactly 15 dropped out?  (Give answer as a decimal correct to three decimal places.) What is the probability that at least 5 dropped out?

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