Math, asked by kanchanrani417, 2 months ago

a bag contains 7 red 5 white and 3 black balls A ball is drawn at random from the bag find the probability that the drawn ball is (1) red or white (2) not black (3) neither white not black​

Answers

Answered by kthatipalli
1

Answer:

When the ball drawn is red or white when there are 7 red, 5 white and 3 black balls. 7 + 5 = 12 and the total number of outcomes is 7 + 5 + 3 = 15. Probability that the ball drawn is red is Number offa vorable out comes Total number of out comes = 1215 = 45 .

Answered by jaspreetkaurpaul22
0

(i) When the ball drawn is red or white when there are 7 red, 5 white and 3 black balls. 7 + 5 = 12 and the total number of outcomes is 7 + 5 + 3 = 15. Probability that the ball drawn is red is NumberoffavorableoutcomesTotalnumberofoutcomes=1215=45 .

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