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According to government data, 21% of American children under the age of six live in households with income less than the official poverty level. A

According to government data, 21% of American children under the age of six live in households with income less than the official poverty level. A study of learning in early childhood chooses a simple random sample of 375 children. Using the Normal Approximation, what is the probability that less than 20% of the children in the sample live in poverty?

Does this problem meet the requirements to use the normal approximation (np(p-1)> 10)?

z score=

probability=

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