A Box Contains 2 Red Marbles And 98 Blue Ones

A box contains 3 blue and 2 red marbles while another box contains 2 blue and 5 red marbles.

A box contains 2 red marbles and 98 blue ones. A box contains three marbles one red one green and one blue. 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. One box is selected at random and from that bag one marble is drawn. P three tails 18 125.

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. P two tails foll0wed by one head. Describe the sample space.

A box contains 3 blue marbles 4 red 6 green marbles and 2 yellow marbles. Mc011 1 jpg what is the probability of drawing a red marble out of the bag without looking. A draw the tree diagram for the experiment. If two marbles are drawn at random what is the probability that at least one is green.

Repeat for the case in which the second marble is drawn without replacing the first marble. What is the probability that it came from the first box. A jar contains 4 black marbles and 3 red marbles. 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. 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. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.

A marble drawn at random from one of the boxes turns out to be blue. What is the probability that the marble drawn is blue. Mc011 2 jpg mc011 3 jpg mc011 4 jpg mc011 5 jpg. A box contains 6 red and 5 blue marbles.

Draws are made at random with replacement. Another box contains 5 red and 8 blue marbles. A box contains 2 red marbles and 98 blue ones. Answer by robertb 5567 show source.