Question

3. A box contains 3 red balls, 7 black balls and 5 green balls. One ball is drawn from the box
at random. Find the probability of drawing a:
(a) green ball
(b) black or red ball (c) ball that is not black
​

Answer 1

Answer:

(a) 1/3

(b) 2/3

(c) 8/15

Answer 2

Answer:

1/3 green

2/3 red or black

8/15 ball that is not black

Step-by-step explanation:

Just divide the category of ball by total no. of balls