The complement of an event A, within the sample space S, is the event consisting of ________.
A) all outcomes in A that are in S
B) all outcomes in S that are in A
C) all outcomes in S that are not in A
D) all outcomes in A that are not in S

Question

Quizplus · Accepted Answer

The complement of an event A within the sample space S is the set of all outcomes in S that are not in A. This is denoted by A' or Ac. In other words, if an outcome is not in event A, then it must be in the complement A' within the same sample space S. Therefore, choice C is the correct answer.

The Complement of an Event A, Within the Sample Space