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Mathematics, 24.03.2021 23:00 AngiT

In a group of 18 pupils, 2 play the flute only. 6 play the piano only.
7 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 18 pupils, 2 play the flute only. 6 play the piano only.
7 play both instrument...

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