Question: Event A has probability 0.4. Event B has probability 0.5. If A and B are disjoint, then the probability that both events occur is a.

Event A has probability 0.4. Event B has probability 0.5. If A and B are disjoint, then the probability that both events occur is

a. 0.0.

b. 0.1.

c. 0.2.

d. 0.9.

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