A Bag Contains 8 Red Marbles 6 Blue Marbles

Two marbles are drawn without replacement.

A bag contains 8 red marbles 6 blue marbles.

So this is all the possible outcomes. These are clearly all yellow. A bag contains 8 red marbles 4 white marbles and 5 blue marbles. B the probability that both are the same color.

The first marble is returned in the bag before drawing the second. There are 8 6 48 ways of drawing blue then red so p 8 6 18 18 4 3 9 9 4 3 9 4 27 0 148148148 or just under 15. A bag contains 8 blue marbles 6 red marbles and 4 green marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.

A jar contains 4 black marbles and 3 red marbles. So i could pick that green marble or that green marble. Given that you have bb. A bag contains 8 red marbles 6 blue marbles and 3 green marbles.

And then there s one blue marble in the bag. There s two red marbles in the bag. There s one blue marble. A the probability that the first marble is red and the second is white.

A draw the tree diagram for the experiment. Find the following probabilities and round to 4 decimal places a. So i could pick that red marble or that red marble. We will assume that only two marbles are drawn from the bag and hence there are two cases.

There s two green marbles in the bag. The first marble is not returned in the bag before drawing the second. C the probability that the second marble is blue. What is the probability of selecting a red marble replacing it in the bag and then selecting a green marble.

Randomly choose two marbles one at a time and without replacement. You have 8 6 4 18 marbles each assumed to have a 1 18 probability of being drawn. Find p red and blue. A bag contains 9 red marbles 8 white marbles and 6 blue marbles.

A bag contains 8 red marbles 7 white marbles and 7 blue marbles. You draw 3 marbles out at random without replacement. If three marbles are drawn out of the bag what is the probability to the nearest 1000th that all three marbles drawn will be blue.