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onlymyworld27
02.12.2021 •
Mathematics
In a group of 16 pupils, 1 plays the flute only. 1 plays the piano only. 11 play both instruments. A student is chosen at random. What is the probability the student plays neither instrument?
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Ответ:
3/16
Step-by-step explanation:
16 pupils, 11 play both, 1 plays piano only and 1 flute only
⇒ 11 + 1 + 1 = 13 pupils who play at least one instrument
⇒ 16 - 13 = 3 pupils who don't play either instrument
⇒ Out of the 16 total pupils, 3 play neither, putting this into numbers:
Ответ:
A and D
Step-by-step explanation: