An Urn Contains 7 Red Marbles And 5 Green Marbles

Can someone please explain how i would work this out.

An urn contains 7 red marbles and 5 green marbles.

What is the probability of randomly selecting a red marble from the urn. If 2 marbles are picked at random what is the probability that both are red. Continue with google continue with facebook continue with facebook. You have a bag which contains only red and green marbles.

Give answer as a reduced fraction. Find the probability of pulling a yellow marble from a bag with 3 yellow 2 red 2 green and 1 blue i m assuming marbles. So they say the probability i ll just say p for probability. A basket contains 4 red 5 blue and 3 green marbles.

A bag contains 6 red marbles 3 white marbles and 7 blue marbles. You grab 4 of the marbles. 10 22 45 50. In this bag with x 2 5 marbles total x 1 are red.

Create an account. The probability of picking a yellow marble. A draw the tree diagram for the experiment. 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. If one marble is selected determine the probability that it is green answer by stanbon 75887 show source. Find the probability of drawing a white marble. Since there were 10 red marbles out of the 22 in the urn the probability of selecting one.

A jar contains 4 black marbles and 3 red marbles. Some answers have been rounded to the nearest percentage. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. If three marbles are picked at random what is the probability that either all are green or all are red.

What is the probability that. Asked 10 14 13 an urn contains 9 red marbles 7 white marbles and 5 blue marbles. 1 suppose an urn contains 8 red 5 white and 7 blue marbles. And so this is sometimes the event in question right over here is picking the yellow marble.

Suppose that an urn contains 4 green marbles 7 black marbles and 9 white marbles. An urn contains 6 red 5 blue and 2 green marbles.