A box contains 4 red marbles and 5 blue marbles. Michelle picks 3 marbles at a random. If Z is the random variable, representing the number of blue marbles picked from the box. Do the ff:
A. Express the probability function in tabular and formula form.
B. Complete the probability that Michelle can pick red marbles than blue marbles from the box.
2 answers
5/9 blue
9 possibilities. cardinality is 8
1 answer