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A box contains 2 red marbles and 98 blue ones.
Two marbles are drawn without replacement.
A box contains three marbles one red r one green g and one blue b.
What is the probability that it came from the first box.
A box contains 2 red marbles and 98 blue ones.
A first marble is chosen its color is recorded and then it is replaced in the box and a second marble is chosen and its color is recorded.
A box contains 3 blue marbles 4 red 6 green marbles and 2 yellow marbles.
A box contains 6 red and 5 blue marbles.
Find the sample space.
What s the fewest number of draws i have to make in order to have better than a 70 chance for a red marble to appear at least once.
A bag contains 1 blue 2 green 3 yellow and 3 red marbles as shown.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
Draws are made at random with replacement.
Consider an experiment that consists of taking one marble from the box then replacing it in the box and drawing a second marble from the box.
A jar contains 4 black marbles and 3 red marbles.
Explain and justify each step carefully.
A draw the tree diagram for the experiment.
Describe the sample space.
If two marbles are drawn at random what is the probability that at least one is green.
One box is selected at random and from that bag one marble is drawn.
Repeat for the case in which the second marble is drawn without replacing the first marble.
Another box contains 5 red and 8 blue marbles.
A box contains 3 blue and 2 red marbles while another box contains 2 blue and 5 red marbles.
Find the sample space if the first marble is not replaced before the second is chosen.
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A marble drawn at random from one of the boxes turns out to be blue.
Answer by robertb 5567 show source.
What is the probability that the marble drawn is blue.