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:
What is the probability that a person uses system 9?
A).813
B).187
C).740
D).260

Question

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: 
What is the probability that a person uses system 9?
A).813 
B).187 
C).740 
D).260

Quizplus · Accepted Answer

Out of the total 300 users, 56 use system 9. Therefore, the probability of a person using system 9 is 56/300, which simplifies to 0.187 or 18.7%.

A Marketing Researcher at a Computer Company Did a Study