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A consignment of 15 record players conta...

A consignment of 15 record players contains 4 defectives. The record players are selected at random, one by one, and examined. The one is examined, are not put back. Then the probability that 9th one examined is the last defective, is

A

`7/195`

B

`11/195`

C

`8/195`

D

`13/195`

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The correct Answer is:
C
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