At a high school, the probability that a student is a senior is 0.20. the porbability that a student plays a sport is 0.15. the probabilty that a student is a senior and plays a sport is 0.05. what is the probability that a randonly selected student plays a sport, given that the student s a senior?
a. 0.33
b. 0.05
c. 0.15
d. 0.25