Mathematics, 22.10.2020 06:01 KitKatKrunchy

A small school bus contains 8 first-graders and 10 second-graders. If two children are ill, what is the probability that at least one of them is a first-grader?

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A small school bus contains 8 first-graders and 10 second-graders. If two children are ill, what is...

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