A Marketing Researcher at a Computer Company Did a Study

Multiple Choice

A marketing researcher at a computer company did a study examining user satisfaction with two operating systems.A total of 300 users were surveyed on the type of operating system used and their satisfaction with it.Use the following data set to answer questions 6-14:
Given that it is impossible for a user to be satisfied and not satisfied with system 10 at the same time,these two events are called ___________________________.

A) simple events
B) conditional probabilities
C) complex probabilities
D) mutually exclusive events