Pick 8 from 10: 10C8 = 45
Pick 4 from 10: 10C4 = 210
Make both picks = 210 * 45 = 9450
AnnA G.
asked • 07/31/18GED Ratio Probability Question
A test has two parts, A and B, each containing 10 questions. A student needs to choose 8 questions from part A and 4 questions from part B. In how many ways can he do that?
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