A Bag Contains Only Red And White Marbles

Total number of marbles 6 white 5 red 11 marbles a if they can be of any colour means we have to select 4 marbles out of 11 required number of ways 11 c 4 b two white marbles can be selected in 6 c 2 two red marbles can be selected in 5 c 2 ways.

A bag contains only red and white marbles.

What is the probability that all the marbles are red. Find p red and blue. There is a 35 chance of selecting a red marble first. The probability of drawing a red marble from the original bag is equal to that.

Also x 3 marbles have a scratch on them. I want to talk about this one a bit. A bag contains only red marbles and white marbles. You have a bag which contains only red and green marbles.

Tanya is going to reach in the bag again and get one more marble. Asked 03 10 20 a bag contains white marbles and red marbles 32 in total. The first marble is returned in the bag before drawing the second. Three marbles are drawn from the bag without replacement.

A 1 b 3 c 4 d 6 e 8. Together the two bags contain 30 white marbles. What is the experimental probability that the marble will be red. A bag contains 3 red marbles 5 yellow marbles and 4 blue marbles.

Bag b contains red and white marbles in the ratio of 1 4. The number of blue marbles drawn is given by the random variable x. These are the only marbles in the bag. There are an equal number of red marbles and white marbles and five times as many green marbles as blue marbles.

A bag contains 9 red marbles 8 white marbles and 6 blue marbles. You draw 5 marbles out at random without replacement. Bag a contains red white and blue marbles such that the red to white marble ratio is 1 3 and the white to blue marble ratio is 2 3. The number of white marbles is 7 less than 2 times the number of red marbles.

A bag contains 8 red marbles 4 white marbles and 5 blue marbles. The first marble is not returned in the bag before drawing the second. A bag contains 9 green marbles 7 red marbles and 5 white marbles. We will assume that only two marbles are drawn from the bag and hence there are two cases.

How many red marbles could be in bag a. A bag contains red marbles white marbles green marbles and blue marbles. A bag contains white and blue marbles with at least three of each colour. A bag contains 7 red marbles 9 white marbles and 9 blue marbles.

What is the fewest possible number of green marbles in the bag. What is the probability that exactly two of the marbles are red. In this bag with x 2 5 marbles total x 1 are red. Total number of ways 6 c 2 x 5 c 2 15 x 10 150 c if they all must be of same colour.