In a random sample of UTC students, 50 indicated they are Business majors, 40 Engineering majors, and 10 Other majors. Of the Business majors, 60 were females; whereas 30 of Engineering majors were females. Finally, 20 of the Other majors were female.
a. What percentage of students in this sample was female?
b. Given that a person is female, what is the probability that she is an engineering major?
Question 2
The average monthly rent for one-bedroom apartments in Chattanooga has been 700 . Because of the downturn in the real estate market, it is believed that there has been a decrease in the average rental. The correct hypotheses to be tested are
a. H0: 700 Ha: < 700.
b. H0: = 700 Ha: 700.
c. H0: > 700 Ha: 700.
d. H0: < 700 Ha: 700.