A small college tracks the ages of students who seek out a student advisor during the second week of the fall term The histogram below shows the percent of students who fell into each age group 0 25 0 2 0 15 0 1 0 05 0 0 07 0 18 0 15 17 to 17 9 18 to 18 9 19 to 19 9 0 1 0 18 20 to 20 9 21 to 21 9 Ages of students 0 22 0 1 22 to 22 9 23 to 23 9 a What is the probability that a student seeking advice will be 18 or under Insert your answer here i b What is the probability that a student seeking advice will be 20 or over Insert your answer here i c What is the probability that the student will be at least 18 and strictly under 22 Insert your answer here