A bag contains 9 blue, 4 black, 5 red and 7 white balls. One ball is taken out of the bag and found to be a red ball then again one ball is taken out at random from the remaining. What is the probability that it will be a white or a red ball?

A bag contains 99 black and 99 red balls. One ball is taken out at random and found to be black. It is kept aside. Another ball is now taken out. What is the probability of taking out a red ball?

There are 9 green balls, 5 yellow balls, 2 white balls and 4 red balls in a bag. If someone takes out a ball from the bag without looking into it, which colour is it MOST likely to be?  RedWhiteGreenYellow

Test: Probability- 4 - Question 10 SaveThere are two bags, one of them contains 5 red and 7 white balls and the other 3 red and 12 white balls, and a ball is to be drawn from one or the other of the two bags. Find the chance of drawing a red ball.

Amy has two bags. Bag I has 7 red and 4 blue balls and bag II has 5 red and 9 blueballs. Amy draws a ball at random and it turns out to be red.Determine the probability that the ball was from the bag I using the Bayes

In a bag, there are 8 red, 10 blue and 12 green balls. A ball is picked randomly from the bag and 5 blue balls are added to the bag. Now, one ball is picked randomly from the bag. What is the probability that the first ball picked is red and the second ball picked is blue?