Automobile Ownership — Test Answers

What should be the total number of electric cars sold when combining both urban and rural sales?

How many students in total save money regularly?

Given that 30 students spend money on entertainment and do not save money regularly, what is the conditional relative frequency of students that prefer spending on entertainment and do not save money regularly?

What is the marginal relative frequency of students who save money regularly?

Calculate the number of students who prefer to spend on education.