Question

multiple choice 1 point
event a: randomly selecting someone who plays an instrument
event b: randomly selecting a female.
are the two events mutually exclusive?
no, because the events cannot occur at the same time.
yes, because the events can occur at the same time.
no, because the events can occur at the same time.
yes, because the events cannot occur at the same time.

10 multiple choice 1 point
for the given pair of events, classify the two events as independent of dependent.
having an excellent driving record
getting a good rate on auto - insurance
dependent, because the occurrence of one affects the probability of the occurrence of the other.
independent, because the occurrence of one affects the probability of the occurrence of the other.
dependent, because the occurrence of one does not affect the probability of the occurrence of the other.
independent, because the occurrence of one does not affect the probability of the occurrence of the other.

Explanation:

Answer:

(9) C. No, because the events can occur at the same time.
(10) A. Dependent, because the occurrence of one affects the probability of the occurrence of the other.