A bag contain 6 red and 5 green identical balls.

Two ball are draw at random one after the

other without replacement. What is the

probability that both balls are of the same

colour

Question

Mathematics

Victor Randolph

28 April, 11:28

A bag contain 6 red and 5 green identical balls.

Two ball are draw at random one after the

other without replacement. What is the

probability that both balls are of the same

colour

+2

Answers (2)

Know the Answer?

Baron Blevins · Answer 1

3/11

2/11

Agustin Boyd · Answer 2

3/11 for two red balls

2/11 for two green balls

Step-by-step explanation:

6 red and 5 green balls

first ball - red = 6/11, green = 5/11 second red ball - 5/10=1/2, second green ball - 4/10 = 2/5 Two red balls = 6/11*1/2 = 3/11 Two green balls = 5/11*2/5 = 2/11

A bag contain 6 red and 5 green identical balls.Two ball are draw at random one after theother without replacement. What is theprobability that both balls are of the samecolour

A bag contain 6 red and 5 green identical balls.

Two ball are draw at random one after the

other without replacement. What is the

probability that both balls are of the same

colour