Q 1883180947.     The probability that a student is not a swimmer
is `1/5` . Then the probability that out of five
students, four are swimmers is :

NCERT Chapter Solution 13.5/15
A

` text()^5C_4 (4/5)^4 (1/5)`

B

`(4/5)^4 (1/5)`

C

` text()^5C_1 1/5 (4/5)^4`

D

None of these

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