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There are two bags, on e of which contai...

There are two bags, on e of which contain s 3 black and 4 white, balls, while the other contains 4 black and 3 whit balls. A fair die is cast, if the face 1 or 3 turns up, a ball is taken from the first bag, and if any other face turns up a ball is chosen from the second bag. Find the probability of choosing a black ball.

A

`(7)/(15)`

B

`(8)/(15)`

C

`(10)/(21)`

D

`(11)/(21)`

Text Solution

Verified by Experts

The correct Answer is:
(d)
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