Mathematics, 16.11.2020 23:40, carlinryan

In a group of 27 pupils, 15 play the flute only. 2 play the piano only. 8 play neither instrument. A student is selected at random. What is the probability the student plays both instruments?

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In a group of 27 pupils, 15 play the flute only. 2 play the piano only. 8 play neither instrument. A...