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An unbiased coin is tossed. If the outco...

An unbiased coin is tossed. If the outcome is a head then a pair of unbiased dice is rolled and the sum of the coin results in tail, then a card from a well-shuffled pack of nine cards numbered 1,2,3,…….9 is randomly picked and the number on the card is noted. The probability that the noted number is either 7 or 8 is

A

`13//36`

B

`19//36`

C

`19//72`

D

`15//72`

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The correct Answer is:
C
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