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In a set of lottery Tickets 7 carry priz...

In a set of lottery Tickets 7 carry prizes and 25 are blank. If three tickets are drawn then the probability to get a prize is

A

`(.^(7)C_(3))/(.^(32)C_(3))`

B

`(.^(25)C_(3))/(.^(32)C_(3))`

C

`1-(.^(25)C_(3))/(.^(32)C_(3))`

D

cannot be decided

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PROBABILITY-Exercise-II
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