The age distribution of students at a community college is given below:
Age in Years
|
Number of Students (f)
|
Under 21
|
4946
|
21 - 25
|
4808
|
26 - 30
|
2673
|
30 - 35
|
29036
|
Over 35
|
525
|
|
|
Suppose a student is selected at random. Let
A = the event the student is under 21
B = the event the student's age is between 21 and 25
C = the event the student's age is between 26 and 30
D = the event the student's age is between 31 and 35
E = the event the student's age is under 35
a. Find P (B)
b. Find P (E)