A Jar Contains Red White And Blue Marbles

So the probability of drawing red is 3 12 or 1 4 reduced.

A jar contains red white and blue marbles.

And there are still 5 white marbles. The probability to randomly draw a marble is 20c1 the probability to draw a white marble from 10 white marbles is 10c1 thus the probability to draw a white marble out of 20 is. Rr rw wr ww p r 3 4 p w 1 4 since the marbles are drawn with replacements p rr 3 4 3 4 9 16 p rw 3 4 1 4 3 16 p w. A jar contains 2 red marbles 6 blue marbles 4 white marbles and 12 black marbles.

Asked by ana on december 3 2012. There are two jars a and b. You roll a fair die if you get a 2 or a 3 you pick a random marble from jar a and put it in jar b. A jar contains 4 black marbles and 3 red marbles.

The diagram below shows the contents of a jar from which you select marbles at random. Find the probability of choosing the given marbles without replacement. Two marbles are drawn without replacement. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.

4 red 6 white and 10 blue. A draw the tree diagram for the experiment. Jar a contains 7 red and 2 blue marbles while jar b contains 5 red and 4 blue marbles. Now if you take out one red marble then there are 11 now in the jar.

A jar contains 3 white marbles 4 red marbles and 5 blue marbles. A jar contains nine blue marbles eight yellow marbles 11 black marbles and 12 red marbles. Find the probability of each event. This random experiment has four possibilities.

P red blue 2 p blue and blue answer by edwin mccravy 18224 show source. A bag of marbles contains 5 red 3 blue 2 green and 2 yellow marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. So the probability of white is 5 11.

What is the ratio of white marbles to all marbles. Suppose r denotes a red marble and w a white marble. Suppose you pick a marble at random without looking. A jar contains 5 blue marbles 8 red marbles 4 white marbles and 3 purple marbles.

You have 12 marbles total. You then pick. If a marble is drawn from the jar at random what is the probability that the marble will be white. Write your answer as a fraction in simplest form.