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30 September, 02:48

There are a total of 48 students in grade 10 charity. Twenty are boys and 28 are girls. S uppose that a team of 3 students is formed such that it is composed of a team leader, a secretary, and a spokesperson. What is the probability that a team formed is composed of a girl secretary?

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  1. 30 September, 03:39
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    the answer is still (28*47*46) / (48*47*46) = 7/12.
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