In a second grade class containing 13 girls and 9 boys, 2 students are selected at random to give out the math papers. What is the probability that the second student chosen is a boy, given that the first one was a girl? a. .176 b. .429 c. .563 d. .301
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There are 13 girls and 9 boys in the class, so there are a total of 13 + 9 = 22 students. Show more…
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