You randomly select 7 students from a class with 15 male and 20 female students. what is the probability that you will choose exactly 4 females?

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asked Nov 20, 2018 20.6k views

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Raviteja · Answer 1 · 2018-11-25T08:13:33+0000

0.3278 Use combination formula ((20C4)*(15C3))/(35C7) = 0.3278 20C4 - combinations of 4 females from 20 15C3 - combinations of 3 males from 15 35C7 - all possible combinations of 7 students from 35 students in total

You randomly select 7 students from a class with 15 male and 20 female students. what is the probability that you will choose exactly 4 females?

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