Q 61

Two events with nonzero probabilities
A)can be both mutually exclusive and independent
B)cannot be both mutually exclusive and independent
C)are always mutually exclusive
D)cannot be both mutually exclusive and independent and are always mutually exclusive

Q 62

If P(A) 0.50, P(B) 0.60, and P(A B) 0.30; then events A and B are
A)mutually exclusive events
B)not independent events
C)independent events
D)Not enough information is given to answer this question.

Q 63

On a December day, the probability of snow is .30. The probability of a "cold" day is .50. The probability of snow and a "cold" day is .15. Are snow and "cold" weather independent events?
A)only if given that it snowed
B)no
C)yes
D)only when they are also mutually exclusive