Mathematics, 23.11.2020 16:00 lola78830

In a group of 20 pupils, 3 play the flute only. 6 play the piano only. 6 play both instruments. A student is chosen at random. What is the probability the student plays neither instrument?

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In a group of 20 pupils, 3 play the flute only. 6 play the piano only. 6 play both instruments. A st...