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If five students take Exam 1 and score 81, 85, 89, 93, and 97, what is the variance on Exam 1?following: 1. What is the

If five students take Exam 1 and score 81, 85, 89, 93, and 97, what is the variance on Exam 1?following: 1. What is the probability that there are at least 4 female fish in the tank? 2. What is the probability that there are more than 4 female fish in the tank? 3. What is the probability that there are less than 4 female fish in the tank

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