A bag contains 5 black, 7 red and 3 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:

+1 vote
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asked Feb 9, 2018 in Mathematics by Kundan kumar (49,132 points) 34 379 1010

A bag contains 5 black, 7 red and 3 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:
(i) red. (ii) black or white. (iii) not black.

1 Answer

+1 vote
answered Feb 9, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
Best answer

Total number of balls = 5 +7 + 3 =15

Nurnber of red  balls=7, Number of black or white=5 + 3 =8 balls

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