# Question

The 2007 Current Population Survey reported the following results on U.S. annual household income (in thousands). The survey is a joint effort between the Census Bureau and the Bureau of Labor Statistics.
Suppose one household is to be selected at random for a follow-up interview. Find the probability of the following events:
a. The annual household income is \$49,999 or less.
b. The annual household income is \$75,000 or more.
c. The annual household income is between \$30,000 and \$99,999.
d. The annual household income is at least \$100,000.

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