Question: According to the U.S. Statistical Abstract 2012, about 27.2% of persons age 18-24 participated in charity work in the past year. Among a sample of

According to the U.S. Statistical Abstract 2012, about 27.2% of persons age 18-24 participated in charity work in the past year. Among a sample of 64 persons in this age group, find the probability that 20 or more participated in charity work.

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