The probability of an event A or B (Pr(A or B))to occur equals
A)Pr(A)× Pr(B).
B)Pr(A)+ Pr(B)if A and B are mutually exclusive.
C) $\frac { \operatorname { Pr } ( A ) } { \operatorname { Pr } ( B ) }$
D)Pr(A)+ Pr(B)even if A and B are not mutually exclusive.

Question

Quizplus · Accepted Answer

The probability of either event A or event B occurring, when A and B are mutually exclusive (meaning they cannot both occur at the same time), is the sum of their individual probabilities. This is because, in the case of mutually exclusive events, there is no overlap between them.

The Probability of an Event a or B (Pr(A or B))to