You draw 4 marbles out at random without replacement.
A bag contains 6 red marbles 6 white marbles and 4 blue marbles.
You draw 3 marbles out at random without replacement.
Two marbles are drawn.
Calculate the expected value of the random variable.
You draw 4 marbles out at random without replacement.
You draw 4 marbles out at random without replacement.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
A bag contains contains 20 blue marbles 20 green marbles and 20 red marbles 1 a marble is drawn from a box containing 10 red 30 white 20 blue and 15 orange marbles.
A bag contains 4 yellow 2 red and 6 green marbles.
A bag contains 9 red marbles 8 white marbles and 6 blue marbles.
A draw the tree diagram for the experiment.
The first is replaced before the second is drawn.
A bag contains 8 red marbles 7 white marbles and 7 blue marbles.
Favorite answer 6 4 6 6 4 10 16.
A random variable assigns the number of red marbles to each outcome.
There are six ways you could place the 2 red marbles in a group of 4.
Two marbles are drawn without replacement.
6c2 14c2 20c4 0 2917 what is the probability that none of the marbles.
A jar contains 4 black marbles and 3 red marbles.
Answer by mathsmiles 68 show source.
A bag contains 2 white marbles 4 blue marbles and 6 red marbles.
A bag contains 6 red marbles 7 white marbles and 7 blue marbles.
23 4 8855 combinations of the 4 marbles from the 23.
Find the following probabilities and round to 4 decimal places a.
6c4 20c4 0 0031 what is the probability that exactly two of the marbles are red.
A bag contains 6 red marbles 6 white marbles and 4 blue.
Asked 11 25 19 a bag contains 7 red marbles 5 white marbles and 6 blue marbles.
The probability that all the marbles are red is b.
If a marble is drawn from the bag what is the probability that it is not blue.
Find p red or blue.