A survey of 3,000 who bought a new car showed that 900 people had
mechanical issues within the first 2 year.
a. What is the relative frequency of the people that had mechanical issues?
b. What is the relative frequency of the people that did not have mechanical
issues?
c. What does the relative frequencies in part (a) and (b) tell you about the
new car and how reliable it has been? Explain your reasoning.