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13 July, 08:20

We have to form a committee from a group of 10 student. s in how many ways can we select a committee of 4 students president secretary treasurer and vicepresident

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  1. 13 July, 08:38
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    B.

    The Probability of choosing a girl is 17/30.

    The probability of choosing an A student is 5/30

    The P (girl) + the P (A student) = 17/30 + 5/30 = 22/30 = 11/15.
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