The probability that one event or another will occur is based on which of the following?
A)Sum rule
B)Product rule
C)Chi-square test
D)Binomial expansion
E)Random sampling error

Question

Quizplus · Accepted Answer

The sum rule states that the probability of event A or event B occurring is equal to the probability of event A plus the probability of event B, minus the probability of both events occurring together (if they are not mutually exclusive). This formula is used to calculate the probability of one event or another occurring.

The Probability That One Event or Another Will Occur Is