Question: (a) If the knowledge that an event A has occurred implies that a second event B cannot occur, then the events A and B are

(a) If the knowledge that an event A has occurred implies that a second event B cannot occur, then the events A and B are said to be:

A.collectively exhaustive.

B.independent.

C.the sample space.

D.disjoint.

(b) If event A and event B are as above and event A has probability 0.4 and event B has probability 0.1, then the probability that A or B occurs is ______?

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