daliaalaura daliaalaura

17-06-2018
Mathematics

contestada

In a group of 38 pupils, 5 play flute only.
14 play piano only.
12 play both instruments.
A stufent is chose at random.
What is thr probability that the student plays neither instrument?
Show all the working out

Respuesta :

dk007462 dk007462

17-06-2018

5+14+12 = 31
38-31= 7
7 students play neither the flute or piano

7/38= 18.42%

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