Question

42. There are 2 red, 3 green and 5 white balls of the same size in a box. What
is the probability that the ball drawn at random is green or white?​

Answer 1

Answer:

Given the bag contains 2 red balls , 3 blue balls and 5 green balls.

Probability of getting a red ball is

2/10 = 1/5

But we need probability of not getting a red ball

Probability of not getting a red ball = 1 - probability of getting a red ball.

i.e., 1 - 1/5

= 4/5

Hence the probability of not getting a red ball is 4/5.

Answer 2

ANSWER:

1/2

EXPLANATION:

1-(5/10)

1-1/2

1/2

hence probability is 1/2