Three marbles are selected at random and without replacement.
An urn has 5 blue marbles and 5 red marbles.
An urn contains 22 marbles consisting of 10 red marbles 7 blue marbles and 5 yellow marbles.
You grab 4 of the marbles.
A if 3 marbles are drawn at random from the urn with replacement what is the probability that three marbles are red.
A marble is selected at random and then without replacing the first marble a second marble is selected at random.
A let r and g denote the numbers of red and green marbles drawn respectively.
4 6 5 120 of possible triples.
Give answer as a reduced fraction.
What is the probability of randomly selecting a red marble from the urn.
0 5 2 0 3 o 0 5 3 o 0 7 3 0 5 0 4 0 3 there are an equal number of pennies nickels dimes and quarters in a bag.
If you draw 3 marbles what is the probability that there will be no blue marbles drawn if you draw with replacement.
What is the probability of selecting a green marble and then a red.
An urn contains 4 red 6 white and 5 blue marbles.
Some answers have been rounded to the nearest percentage.
Asked 10 14 13 an urn contains 9 red marbles 7 white marbles and 5 blue marbles.
An experiment consists of selecting an urn and then removing a marble from the urn.
5 12 red 4 12 white 3 12 blue when the marble is returned to the urn two more marbles of the same color are added.
Since there were 10 red marbles out of the 22 in the urn the probability of selecting one.
What is the probability that.
Asked by melissa on november 16 2011.
There are 8 red marbles and 22 blue marbles in urn 1 and there are 14 red marbles and 5 blue marbles in urn 2.
An urn contains 5 red marbles 4 blue marbles and 3 green marbles.
1 suppose an urn contains 8 red 5 white and 7 blue marbles.
Thus before the second drawing there are now 14 marbles 5 red 4 white 3 blue and 2 of the color drawn first.
An urn contains 22 marbles consisting of 10 red marbles 7 blue marbles and 5 yellow marbles.
What is the probability of randomly selecting a blue marble from the urn.
What is the probability that one of each color is selected.
The probability that urn 1 is selected is 0 4 and the probability that urn 2 is selected is 0 6.
Give your answer as a decimal number with 3 decimal places of ways to get red white blue triple.
10 22 45 50.
Suppose that two marbles are drawn with replacement from the urn.
