A Box Contains 7 Large Red Marbles

I think this is one of those p a b type questions but i m not sure and i don t know what a is or what b is.

A box contains 7 large red marbles.

A box contains 7 large red marbles 5 large yellow marbles 3 small red marbels and 5 small yellow marbles. Selecting 2 black marbles. Determine the probabilities of the events in the following. Give answer as a simplified fraction.

A draw the tree diagram for the experiment. Purple blue green red. Two marbles are drawn without replacement. A box contains 2 blue marbles and 7 red marbles and two marbles are drawn with out replacement.

A box contains 7 black 3 red and 5 purple marbles. A box contains 7 large red marbles 5 large yellow marbles 3 small red marbles and 5 small yellow marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. What is the probability that john has picked a pair of matching marbles a 1 19 b 15 90 c 7 19 d 59 190 e 2 190.

John picks up two marbles at a random from the the bag. The results are shown in the table. If a marble is drawn at random what is the probability that it is yellow given that is one of the large marbles. Consider the two stage experiment of randomly selecting a marble from the box not replacing it and then selecting a second marble.

If a marble is drawn at random what is the probability that is yellow given that it is one of the large marbles answer by checkley77 12844 show source. Find the probability that the first two marbles selected are not red and the last marble is red. A box contains 2 purple marbles 2 blue marbles 3 green marbles and 5 red marbles. Mc022 1 jpg which color marble is most likely to be picked.

A box contains 7 large red marbles 5 large yellow marbles 3 small red marbles and 5 small yellow marbles. A bag contains 5 red marbles 3 green marbles 2 purple marbles 2 orange marbles and 1 blue marble. A jar contains 4 black marbles and 3 red marbles. If a marble is drawn at random what is the probability that it is yellow given that it is one of the large marbles.

The probability of not getting a red marble is. He picks a marble and then puts it back 26 times. A box contains 5 green marbles 7 blue marbles and 9 red marbles. Three marbles are selected at random from the box one at a time without replacement.

Asked by kandace on april 19 2011. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. Felix has a bag of 6 yellow marbles and 6 green marbles.