9. Identify why this assignment of probabilities can not be legitimate.
a. P(A & B) can not be greater than either P(A) or P(B).
b. A and B are not given as mutually exclusive events.
c. P(A|B) is not known.
d. A and B are not given as independent events.
e. none of these.
10. Suppose a box contains 3 detective light bulbs and 12 good bulbs. Two bulbs are chosen from the box without replacement. Find the probability that one of the bulbs drawn is good and one is defective.
