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18 May, 15:24

3 students are selected from a class that has 10 boys and 5 girls. what is the probability that 1 boy and 2 girls are selected?

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  1. 18 May, 16:49
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    Chances of drawing a boy the first time = 12/16.

    Chances of drawing a boy the second time = 11/15.

    Chances of drawing a boy the third time = 10/14.

    (12/16) (11/15) (10/14) = about 39.3%.
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