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Seventy percent of all school teachers work during summer school. Assuming a binomial distribution, if 9 school teachers are selected at random, what is

Seventy percent of all school teachers work during summer school. Assuming a binomial distribution, if 9 school teachers are selected at random, what is the probability that less than 5 teachers work during the summer? O 0.0988 O 0.2703 0.2138 0.1492

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