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Luba_88 [7]
2 years ago
13

Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment.

Find the probability that exactly 3 boys will be selected.
Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
5 0
15C3 x 30C7 / 45C10 = 455 * 2035800 / 3190187286
926289000 / 3190187286 = 0.29035568
= about 29%
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