A class has 20 boys and 30 girls and 15 students are to be selected at random for a special assignment. find the probability that exactly 5 boys will be selected.

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04-06-2017
Mathematics

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A class has 20 boys and 30 girls and 15 students are to be selected at random for a special assignment. find the probability that exactly 5 boys will be selected.

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OnlineClasses2017 OnlineClasses2017 · Answer 1 · 2017-06-07T18:51:41+02:00

OnlineClasses2017 OnlineClasses2017

07-06-2017

20+30=50 total students
15/50 students are being selected
The probability of 5 boys being selected is 5/15 i don't really know how to explain it but it makes sense in my head

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