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20 July, 08:04

A group of students consists of 15 piano players and 3 guitar players. a sample of seven is selected at random. what is the probability that at least one guitar player is chosen?

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  1. 20 July, 08:09
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    You would add 15 and 3, that would give you 18, which you would divide by three.

    It is a one out of a six chance.
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