Question

complete the following statement. p(a or b) indicates ________. choose the correct answer below. a. the probability that in a single trial, event a occurs, event b occurs, or they both occur. b. the probability that a and b both occur in the same trial. c. the probability that event a occurs in one trial followed by event b in another trial. d. the probability that event a or event b does not occur in a single trial.

Explanation:

The notation P(A or B) in probability represents the probability that in a single - trial, either event A occurs, event B occurs, or both events A and B occur. This is based on the basic concept of the union of two events in probability theory.

Answer:

A. the probability that in a single trial, event A occurs, event B occurs, or they both occur.