There are 13 pupils unaccounted for in the statement of the problem.
If those 13 play both instruments, then 13/38 is the probability required.
Rabiah M.
asked • 08/27/18In a group of 38 pupils, 13 play the flute only.
In a group of 38 pupils, 13 play the flute only.
7 play the piano only.
5 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments?
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