Math, asked by kanchanrani417, 3 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

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

(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 .

Previous Question

Next Question

Similar questions

English, 1 month ago

14. You are doing this passive Voice.

Math, 1 month ago

18. An elevator descends into a mineshaft at the rate of 5m per minute. If it starts 15m above the ground how long will it take to reach - 235m down the earth? If the descent starts from the ground level what will be the position after 20 minutes...

Geography, 1 month ago

What are the long term effects of global warming on human beings, other animals and plants?

Math, 3 months ago

d^3y/dx^3 -7 dy/dx-6y = e^2x (1+x) ...

Math, 3 months ago