Question Description
In order to solve this problem we must use the combination rule, which is nCr = n!/(n-r)!r!
Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment. Find the probability that exactly 3 boys will be selected.
Please write out answer in numbers and math terms step by step as well. Thanks
Solution
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