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Elementary school In a certain elementary school 52 of the

Elementary school: In a certain elementary school. 52% of the students are girls. A sample of 65 students is drawn.

a. What is the probability that more than 60% of them are girls?

b. Would it be unusual for more than 70% of them to be girls?

a. What is the probability that more than 60% of them are girls?

b. Would it be unusual for more than 70% of them to be girls?

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