What is the probability that the marble drawn is blue.
A box contains 2 red marbles and 98 blue ones.
A box contains 6 red and 5 blue marbles.
What is the probability that it came from the first box.
A box contains 3 blue and 2 red marbles while another box contains 2 blue and 5 red marbles.
A jar contains 4 black marbles and 3 red marbles.
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.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
A bag contains 1 blue 2 green 3 yellow and 3 red marbles as shown.
One box is selected at random and from that bag one marble is drawn.
Find the sample space if the first marble is not replaced before the second is chosen.
If two marbles are drawn at random what is the probability that at least one is green.
A box contains 2 red marbles and 98 blue ones.
P three tails 18 125.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
Two marbles are drawn without replacement.
A marble drawn at random from one of the boxes turns out to be blue.
Describe the sample space.
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.
Answer by robertb 5567 show source.
A box contains 3 blue marbles 4 red 6 green marbles and 2 yellow marbles.
Explain and justify each step carefully.
Mc011 1 jpg what is the probability of drawing a red marble out of the bag without looking.
P two tails foll0wed by one head.
Repeat for the case in which the second marble is drawn without replacing the first marble.
Draws are made at random with replacement.
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.
Find the sample space.
A box contains three marbles one red one green and one blue.
A draw the tree diagram for the experiment.