Two men, in turn draw balls (without replacement) from an urn containing 2 white 6 black balls. The person who is the first to draw a white ball wins the game. The probability that the first person will be the first to draw a white ball is :

Question

Two men, in turn draw balls (without replacement) from an urn containing 2 white 6 black balls. The person who is the first to draw a white ball wins the game. The probability that the first person will be the first to draw a white ball is : (A) 3/4 (B) 4/7 (C) 5/12 (D) none

Tardigrade Admin · Accepted Answer

P(A wins) = P(W or BBW or BBBBW or BBBBBBW)

Q. Two men, in turn draw balls (without replacement) from an urn containing 2 white & 6 black balls. The person who is the first to draw a white ball wins the game. The probability that the first person will be the first to draw a white ball is :

3/4

4/7

5/12

none

P(A wins) = P(W or BBW or BBBBW or BBBBBBW)