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The probability that a student is not a ...

The probability that a student is not a swimmer is `(4)/(5)`. The probability that out of 5 students exactly 4 are swimmers is ………..

A

`((1)/(5))^(3)`

B

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

C

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

D

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

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The correct Answer is:
B
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
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  12. Mean of the following probability distribution is …………

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  13. A fair dice is rolled 6 times. If "getting an even number" is a succes...

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  14. A fair dice is rolled 6 times. If "getting a prime number" is a "succe...

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  15. A bag consists of 10 balls each marked with one e digits 0 to 9. If fo...

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  16. Mean of the binomial distribution is 100 then it standard deviation li...

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  17. In a box there are 100 electric bulbs out of which 10 are defective. 5...

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  18. Mean and variance of one binomial distribution are (4)/(3) and (20)/(2...

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