A club has twenty members aged twenty. what are the chances, Ask an Expert

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According to the U. S. Center for Health Statistics the probability that a randomly selected twenty year old will live to age 65 is 80%. A club has twenty members aged twenty. What are the chances that at least one fourth of them will die before their 65th birthdays?

(a) 59%

(b) 63%

(d) 80%

(e) 37%

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