The U.S. Bureau of Citizenship and Immigration Services collects and reports information about naturalized persons in Statistical Yearbook. Suppose that a naturalized person is selected at random. Define events as follows:
A = the person is younger than 20 years old,
B = the person is between 30 and 64 years old, inclusive,
C = the person is 50 years old or older, and
D = the person is older than 64 years.
Determine the following events:
a. (not A)
b. (B or D)
c. (A & C) Which of the following collections of events are mutually exclusive?
d. B and C
e. A, B, and D
f. (not A) and (not D)