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

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

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

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

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

none of these

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