A married couple plans to have 3 children. The probability of having a boy is 0.5 and the probability of having a girl is also 0.5. (a) Draw a tree diagram to represent the probability. (b) Determine the probability that all the children are girls. (c) Determine the probability that the couple has only one girl.
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In the tree diagram, the probability of having a boy is 0.5 and the probability of having a girl is also 0.5. Show more…
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2. Suppose a couple wants to have a family of three children. a. What are the possible outcomes? Hint: Draw a tree diagram (2 points) b. What is the probability of having exactly 2 girls in 3 births? (1 point) c. What is the probability of having exactly 2 boys in 3 births AND having exactly 2 girls in 3 births? (2 points) d. What is the probability of having exactly 2 boys in 3 births OR having exactly 2 girls in 3 births? (1 point)
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