Formulate the Null and Alternative Hypotheses for Each of the Following

Essay

Formulate the null and alternative hypotheses for each of the following statements:
a. The average Australian household owns 2.5 cars.
b. A researcher at the University of Adelaide is looking for evidence to conclude that the majority of students drive to university.
c. The manager of the University of Tasmania bookstore claims that the average student spends less than $400 per semester at the university's bookstore.