For problems 3-5: In a survey of university students, 60% planned to get a bachelors degree, 
25% a masters degree, and the remainder a doctorate degree. If survey participants are 
selected at random, what is the probability that 
a student plans to get doctorate? 
a. 0.05 
b. 0.15 
c. 0.85 
d. 0.95 
e. Cannot be determined from the information given