The problem asks for the probability of rr or bb.
A bag contains 3 red marbles and 4 blue marbles two marbles are drawn at random without replacement.
Work out the probability that the two marbles taken from the bag are the same color.
A bag contains 3 red marbles and 4 blue marbles.
A 3 7 b 1 2 с d 2 7 3 conditional probability a bag contains 3 red marbles and 4 blue marbles.
A bag contains red and blue marbles.
A draw the tree diagram for the experiment.
A bag contains 8 red marbles 6 blue marbles and 3 green 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.
Two consecutive draws are made from the bag without replacement of the first draw.
If the first marble drawn is red what is the probability the second marble is blue.
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 randomly one after the other without replacement from a jar that contains 3 red marbles 6 white marbles and 7 yellow marbles.
Total number of marbles in the bag is 3 4 7.
Two marbles are drawn at random without replacement.
Conditional probability a bag contains 3 red marbles and 4 blue marbles.
Drawing simultaneously is the same as sampling without.
Determine the probability that at least one is red.
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.
Another marble is taken from the bag.
Two marbles are drawn without replacement.
A marble is taken at random and replaced.
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.
The probability of selecting a red marble and then a blue marble is 0 28.
A jar contains 4 black marbles and 3 red 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.
B a white marble is drawn first followed by a white marble.
A bag contains 5 red and 3 blue marbles.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
The probability of selecting a red marble on the first draw is 0 5.
Two marbles are drawn without replacement.
The probability is.
Find the probability of the following events.
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.
A a red marble is drawn first followed by a white marble.