Question

A bag contains 3 red balls, 5 black balls and 4 white balls. A balls is drawn at random from the bag. What is the probability that the ball drawn is:
(i) white?
(ii) red?
(iii) black?
(iv) not red?

Answer 1

Answer:

total outcomes is 12

1. p(White ball)= 4/12= 1/3.
2. p(red)= 3/12= 1/4.
3. p(black)= 5/12
4. p(not red)= 9/12

Answer 2

Answer:

1)4/12=1/3

2)3/12=14

3)5/12

4)9/12=3/4