A a marble is chosen at random.
A jar contains 5 red 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.
If you reach in the jar and pull out 2 marbles at random at the same time find the probability that both are red 17 total marbles the 1st pick is 5 17 then 2nd is 4 16 the product is 5 68 makes no difference if you take 2 at a time or 2 different choices without replacement.
A jar contains 4 black marbles and 3 red marbles.
During a day 50 people enter the store.
If joan picks 2.
A marble is drawn at random from the jar.
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.
So we need to first find the total number of marbles.
You then pick.
A store finds that 32 of people who enter the store will make a purchase.
A the marble is red b the marble is odd numbered c the marble is red or odd numbered d the marble is blue and even numbered.
The probability that we pick one of the 3 green marbles out of the 11 is simply that ratio.
You randomly select 2 marbles from the jar without replacement.
If you re told the marble is red what is the probability that it has the number 3 on it.
A marble is drawn at random from the jar.
A bag of marbles contains 5 red 3 blue 2 green and 2 yellow marbles.
A jar contains 5 red marbles numbered 1 to 5 and 12 blue marbles numbered 1 to 12.
Find the probability of the given event.
Two marbles are drawn without replacement.
A the marble is red b the marble is red or odd numbered c the marble is blue and even numbered answer by ikleyn 33701 show source.
The random variable represents the number of red marbles that you select.
If a marble is drawn from the jar at random what is the probability that this marble is white.
A jar contains 8 red marbles numbered 1 to 8 and 10 blue marbles numbered 1 to 10.
You want the second marble she picks to be blue.
You want the first marble she picks to be red.
B the first marble is.
Suppose a jar contains 5 red marbles and 12 blue marbles.
A glass jar contains 5 red marbles 4 blue marbles 7 green marbles and 9 yellow marbles.
A draw the tree diagram for the experiment.
Now there are 24 marbles left.
P green 3 11 same idea for yellow.
There are 25 marbles in total.
A jar contains 5 blue marbles 6 green marbles and 3 red marbles.
5 25 of the marbles are red which can be simplified to 1 5.
Find the probability of the given event.
There are two jars a and b.
Total 5 3 2 1 11 so there are 11 marbles total.
A jar contains 12 red marbles numbered 1 to 12 and 6 blue marbles numbered 1 to 6.
A ball is drawn at random.
A bag contains 5 white balls 4 red balls and 3 green balls.
A jar contains 3 red marbles 7 green marbles and 10 white marbles.
A bag contains 5 red marbles 6 white marbles and 8 blue marbles.
P green or yellow 5 11 probability here is the chance of selection out of a total.
