Econ 112-According To The Government Study 15% Of All Children

According to the government study 15% of all children live in a household that has an income below the poverty level. If a random sample of 20 children is selected: a) what is the probability that 5 or more live in poverty? B) what is the probability that 4 live in poverty? C) what is the expected number (mean) that live in poverty?

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