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Fifteen coupons are numbered 1, 2, 3,…, ...

Fifteen coupons are numbered 1, 2, 3,…, 15 respectively. Seven coupons are selected random one at a time with replacement. The probability that the largest number appearing on the selected coupons is atmost 9, is :

A

`(9//16)^(6)`

B

`(8//15)^(7)`

C

`(3//5)^(7)`

D

None of these

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The correct Answer is:
D
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