A Bag Contains 3 Red Marbles And 4 Blue Marbles Two Marbles Are Drawn At Random Without Replacement

Another marble is taken from the bag.

A bag contains 3 red marbles and 4 blue marbles two marbles are drawn at random without replacement. P at least one red p rr or rb or br alternatively p at least one red 1 p no reds complementary events 1 p bb and so on. Two marbles are drawn randomly one after the other without replacement from a jar that contains 3 red marbles 6 white marbles and 7 yellow marbles. A bag contains 8 red marbles 6 blue marbles and 3 green marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.

If you take that out you know have 11 marbles of which 2 of them are yellow so the odds of picking a yellow marble is 2 11 the odds of picking a yellow marble twice in a row is found like this 1 4 2 11 2 44 1 22 ans. The problem asks for the probability of rr or bb. A 3 7 b 1 2 с d 2 7 3 conditional probability a bag contains 3 red marbles and 4 blue marbles. A a red marble is drawn first followed by a white marble.

A marble is taken at random and replaced. Theres a total of 12 marbles of which 3 of them are yellow so the odds of picking a yellow is 3 12 or 1 4. The probability of drawing 3 red marbles in a row from a bag of 3 blue and 4 red marbles without replacement is right at about 0 11 or about 11 in 100 if you want odds remember that probability. Two marbles are drawn without replacement.

B a white marble is drawn first followed by a white marble. Total number of marbles in the bag is 3 4 7. A bag contains 3 red marbles 5 green marbles and 2 blue marbles. 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.

A bag contains red and blue marbles. Two marbles are drawn at random without replacement. A draw the tree diagram for the experiment. If the first marble drawn is red what is the probability the second marble is blue.

Work out the probability that the two marbles taken from the bag are the same color. The probability is. A bag contains 5 red and 3 blue marbles. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.

Conditional probability a bag contains 3 red marbles and 4 blue marbles. Two marbles are drawn without replacement. Find the probability of the following events. The probability of selecting a red marble on the first draw is 0 5.

The probability of selecting a red marble and then a blue marble is 0 28. What is the probability of selecting a blue marble on the second draw given that the first marble drawn was red. Drawing simultaneously is the same as sampling without. A jar contains 4 black marbles and 3 red marbles.

Determine the probability that at least one is red.