Question

a bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. find the probability that the ball drawn is:
(I) White
(ii)red
(iii) not black
(iv) red or white​

Answer 1

Explanation:

1. 6/15=2/5

2. 4/15

3.10/15=2/3(4+6+5-5)

4. 10/15(4+6)

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