Two marbles are drawn without replacement.
A box contains 2 red marbles and 98 blue ones.
A draw the tree diagram for the experiment.
A box contains three marbles one red one green and one blue.
A box contains 6 red and 5 blue marbles.
Mc011 1 jpg what is the probability of drawing a red marble out of the bag without looking.
P three tails 18 125.
A box contains 3 blue marbles 4 red 6 green marbles and 2 yellow marbles.
Draws are made at random with replacement.
What is the probability that it came from the first box.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
A box contains 2 red marbles and 98 blue ones.
What is the probability that the marble drawn is blue.
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.
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.
A marble drawn at random from one of the boxes turns out to be blue.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
Explain and justify each step carefully.
Find the sample space if the first marble is not replaced before the second is chosen.
Find the sample space.
A jar contains 4 black marbles and 3 red marbles.
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.
Describe the sample space.
A box contains three marbles one red r one green g and one blue b.
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 bag contains 1 blue 2 green 3 yellow and 3 red marbles as shown.
Another box contains 5 red and 8 blue marbles.
Answer by robertb 5567 show source.
If two marbles are drawn at random what is the probability that at least one is green.