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The probability that a student is not a ...

The probability that a student is not a swimmer is `(1)/(5)` Then the probability that out of five students, four are swimmers is

A

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

B

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

C

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

D

None of these

Text Solution

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The correct Answer is:
a or c
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