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
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
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 .
Similar questions