335,613 views
16 votes
16 votes
A bag contains 9 red balls numbered 1, 2, 3, 4, 5, 6, 7, 8, 9 and 6 white balls numbered 10, 11, 12, 13, 14, 15. One ball is drawn from the bag. What is the probability that the ball is white, given that the ball is even-numbered

User Stefan Wanitzek
by
2.9k points

1 Answer

22 votes
22 votes

Answer:

3/ 7

Explanation:

We know that it is an even ball

2,4,6,8,10,12,14 are even balls

2,4,6,8 are red and 10,12,14 are white

P ( white) = white even / total even

= 3/ 7

User Xeshu
by
2.9k points