1. If P( A) =0.3, P( B) =0.2, P( A and B)= 0.0, what can be said aboutevents A and B?

A.		They are independent.
B.		They are mutually exclusive.
C.		They are posterior probabilities.
D.		None of these
E.		All of these

2.

If two events are mutually exclusive, then

A.

their probabilities can be added.

B.

they may also be collectively exhaustive.

C.

the joint probability is equal to 0.

D.

if one occurs, the other cannot occur.

E. All of these

3.

A measurable quantity that is inherent in the problem is calleda(n)

		A. decision variable.
B.		uncontrollable variable.
C.		algorithm.
D.		parameter.
E.		enumeration variable