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Mathematics, 30.04.2021 09:30 vanleervanleer

1 of 5 © In a group of 23 pupils, 4 play the flute only.
3 play the piano only.
15 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments?

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1 of 5 © In a group of 23 pupils, 4 play the flute only.
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