Solution: Genetics. In Exercises 1518, refer to the accompanying table, which describes

Chapter 5, Problem 17

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Genetics. In Exercises 1518, refer to the accompanying table, which describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Number of Girls x P(x) 0 0.001 1 0.010 2 0.044 3 0.117 4 0.205 5 0.246 6 0.205 7 0.117 8 0.044 9 0.010 10 0.003 Using Probabilities for Unusual Eventsa. Find the probability of getting exactly 8 girls in 10 births.b. Find the probability of getting 8 or more girls in 10 births.c. Which probability is relevant for determining whether 8 is an unusually high number of girls in 10 births: the result from part (a) or part (b)?d. Is 8 an unusually high number of girls in 10 births? Why or why not?

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