Richard has been given a nine question multiple-choice quiz in his history class. Each and every question has four answers, of which only one is accurate. Since Richard hasn't attended the class recently, he doesn't know any of the answers. Determine the value of q? Round your answer to the nearest tenth?
a. 0.8
b. 3.3
c. 9.0
d. 36.0
e. 7.2