You draw 4 marbles out at random without replacement.
Bag a contains red white and blue marbles.
Solution for a bag contains 7 red marbles 6 white marbles and 8 blue marbles.
A draw the tree diagram for the experiment.
Bag b contains red and white marbles in the ratio of 1 4.
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 probability of picking a yellow marble.
A bag contains 6 red marbles 7 white marbles and 7 blue marbles.
Together the two bags contain 30 white marbles.
Find p red and blue.
A bag contains 8 red marbles 4 white marbles and 5 blue marbles.
A bag contains 8 red marbles 7 white marbles and 7 blue marbles.
A jar contains 4 black marbles and 3 red marbles.
You draw 3 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.
A bag contains 5 red marbles 9 white marbles and 7 blue marbles.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
You draw 3 marbles out at random without replacement.
The first marble is not returned in the bag before drawing the second.
Together the two bags contain 30 white marbles.
Two marbles are drawn without replacement.
Bag b contains red and white marbles in the ratio of 1 4.
We will assume that only two marbles are drawn from the bag and hence there are two cases.
And so this is sometimes the event in question right over here is picking the yellow marble.
So they say the probability i ll just say p for probability.
What is the probability that all the marbles are red.
6c2 14c2 20c4 0 2917 what is the probability that none of the marbles.
6c4 20c4 0 0031 what is the probability that exactly two of the marbles are red.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
The first marble is returned in the bag before drawing the second.
Find the probability of pulling a yellow marble from a bag with 3 yellow 2 red 2 green and 1 blue i m assuming marbles.