A Jar Contains 10 Red Marbles 4 White

If you are selecting a random sample of n 3 marbles and the first 2 marbles are both white what is the probability that the third marble will be black.

A jar contains 10 red marbles 4 white.

If you pick one marble without looking what is the probability that the marble you pick will be red or blue. Show transcribed image text. 35 let us consider the number of red marbles added be x. 4 red 6 white and 10 blue.

If you randomly select a marble from the jar what is the probability that you will get a white marble. Right you have a jar with 5 8 4 3 marbles 20 marbles then the probability of picking a blue marble is 5 blue 20 total 0 25 similarly the probability of picking a purple marble is 3 purple 20 total 0 15. Now the number of red marbles becomes. The jar contains 3 red marbles 10 blue marbles 8 green marbles and 4 yellow marbles.

You have 12 marbles total. So the probability of drawing red is 3 12 or 1 4 reduced. And there are still 5 white marbles. A jar contains 10 black marbles and 40 white marbles.

A jar contains 20 marbles. What is the probability of choosing a blue marble. 10 x number of green marbles remains 30 hence total number of marbles becomes. Chips are selected randomly one at a time and are not replaced.

Suppose you pick a marble. If a marble is drawn from the jar at random what is the probability that the marble is white. Asked 3d a jar contains 3 red marbles 7 green marbles and 10 white marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.

If you remove marbles one at a time randomly what is the minimum number that must be removed to be certain that you have at least 2 marbles of each colour. 10 x 30 red marbles green marbles i e. If a marble is drawn from the jar at random what is the probability that this marble is white. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.

This problem has been solved. P white then purple then black independent. The answer is. A jar contains 2 pink 6 red and 4 blue marbles.

Now if you take out one red marble then there are 11 now in the jar. So the probability of white is 5 11. A draw the tree diagram for the experiment. A jar contains 3 red marbles 7 green marbles and 10 white marbles.

A jar contains 4 black marbles and 3 red marbles. Two marbles are drawn without replacement.