In a bag, there are 10 red balls and 5 blue balls. Jane reaches into the bag and randomly selects one ball without looking. What is the probability that she selects a blue ball?

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?

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?

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

A bag contains 5 red, 3 green, and 5 black balls. A ball is drawn at random from the bag. Find the probability that the ball is "not red"

If you have 3 red balls, 2 blue balls, and 5 green balls, what is the probability of picking a blue ball if you choose one at random?