The probability of drawing a red marble from the original bag is equal to that.
A bag contains only red and white marbles.
You draw 5 marbles out at random without replacement.
The first marble is not returned in the bag before drawing the second.
The first marble is returned in the bag before drawing the second.
A bag contains 9 green marbles 7 red marbles and 5 white marbles.
What is the experimental probability that the marble will be red.
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.
Together the two bags contain 30 white marbles.
Also x 3 marbles have a scratch on them.
A bag contains 8 red marbles 4 white marbles and 5 blue marbles.
A 1 b 3 c 4 d 6 e 8.
What is the ratio of white marbles to red 1653862.
What is the probability that exactly two of the marbles are red.
There are an equal number of red marbles and white marbles and five times as many green marbles as blue marbles.
Find p red and blue.
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.
A bag contains 9 red marbles 8 white marbles and 6 blue marbles.
In this bag with x 2 5 marbles total x 1 are red.
You have a bag which contains only red and green marbles.
Bag b contains red and white marbles in the ratio of 1 4.
These are the only marbles in the bag.
A bag contains 7 red marbles 9 white marbles and 9 blue marbles.
A bag contains white and blue marbles with at least three of each colour.
I want to talk about this one a bit.
A bag contains red marbles white marbles green marbles and blue marbles.
Tanya reached into the bag without looking got 40 marbles and found that 24 of the marbles were red.
What is the fewest possible number of green marbles in the bag.
You draw 4.
A bag contains 3 red marbles 5 yellow marbles and 4 blue marbles.
Total number of ways 6 c 2 x 5 c 2 15 x 10 150 c if they all must be of same colour.
The number of white marbles is 7 less than 2 times the number of red marbles.
Tanya is going to reach in the bag again and get one more marble.
A bag contains only red marbles and white marbles.
What is the probability that all the marbles are red.
There is a 35 chance of selecting a red marble first.
We will assume that only two marbles are drawn from the bag and hence there are two cases.
Three marbles are drawn from the bag without replacement.
