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It is believed that 36% of Americans do not get enough sleep at night according to specified criteria.Suppose you randomly select 80 Americans to interview.What

It is believed that 36% of Americans do not get enough sleep at night according to specified criteria.Suppose you randomly select 80 Americans to interview.What is the probability that 20 or less of those interviewed do not get enough sleep at night?Use only a normal approximation to calculate the probability.

Round to the ten-thousands place.

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