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Seven chits are numbered 1 to 7. three a...

Seven chits are numbered 1 to 7. three are drawn one by one with replacements. The probability that the least number on any selected chit is 5, is

A

`1-(2/7)^4`

B

`4/(2/7)^4`

C

`(3/7)^3`

D

None of these

Text Solution

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The correct Answer is:
C
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