A jar contains 4 black marbles and 3 red marbles.
A box contains 8 red marbles and 3 green ones.
The chance that the 3 green marbles are drawn equals.
A box contains three marbles.
And sometimes this is referred to as the sample space the set of all the possible outcomes.
Review exercise 4 p.
And then there s one blue marble in the bag.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
What is p red then blue 20 43 40 43 20 1849 96 1849.
A box contains 15 blue marbles 25 yellow marbles 20 green marbles and 40 red marbles.
Five draws are made at random with replacement.
Two marbles are drawn without replacement.
If two caps are picked at random what is the probability that at least one is red.
A draw the tree diagram for the experiment.
Bag b contains 9 black marbles and 6 orange marbles.
If three marbles are selected at random what is the probability that one of each color marble will be selected.
A box contains one red marble and nine green ones.
So i could pick that red marble or that red marble.
Draws are made without replacement.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
Find the probability of selecting one green marble from bag a and one black marble from bag b.
There s two green marbles in the bag.
A assume that the first marble is replaced in the box before drawing the second marble.
One red one green and one blue.
261 chapter 15 a box contains 8 red marbles and 3 green ones.
A box contains 8 blue marbles 4 red marbles 3 green marbles.
So this is all the possible outcomes.
There s one blue marble.
If three marbles are selected at random what is probability that all three marbles will be blue marbles b.
A box contains 5 purple marbles 3 green marbles and 2 orange marbles.
Consider an experiment where two marbles are drawn from the box.
A box contains 2 blue caps 4 red caps 5 green caps and 1 yellow cap.
The chance that exactly two draws will be red is 10 times left frac 1 10 right 2 left frac 9 10 right 3 is the addition rule used in deriving this formula.
Bag a contains 9 red marbles and 3 green marbles.
You choose a marbles replace it and choose again.
A bag contains 5 green marbles 8 red marbles 11 orange marbles 7 brown marbles and 12 blue marbles.