In a group of 39 pupils, 10 play the flute only.
1 plays the piano only.
13 play neither inst...
Mathematics, 08.12.2020 14:00 briyantesol
In a group of 39 pupils, 10 play the flute only.
1 plays the piano only.
13 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments?
Answers: 2
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