reececanon54 reececanon54

22-11-2017
Mathematics

contestada

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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laisydaisy7 laisydaisy7

27-11-2017

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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