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Mathematics, 14.02.2020 16:21 notchasedeibel2698

Suppose that we ask n randomly selected people whether they share your birthday. (a) Give an expression in terms of n for the probability that no one shares your birthday (ignore leap years). (b) What is the least number of people we need to select so that the probability is at least 0.8 that at least one person shares your birthday? (Round your answer up to the nearest integer.) people

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