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a boy or a girl are equally likely in exercises 7 and 8. 7. a. What is the probability that the family has 3 girls?

a boy or a girl are equally likely in exercises 7 and 8. 7. a. What is the probability that the family has 3 girls? b. What is the probability that the family has at least 1 boy? c. What is the probability that the family has at least 2 girls

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