The U S Bureau of Citizenship and Immigration Services collects and
The U.S. Bureau of Citizenship and Immigration Services collects and reports information about naturalized persons in Statistical Yearbook. Following is an age distribution for persons naturalized during one year.
Suppose that one of these naturalized persons is selected at random.
a. Without using the general addition rule, determine the probability that the age of the person obtained is either between 30 and 64, inclusive, or at least 50.
b. Find the probability in part (a), using the general addition rule.
c. Which method did you find easier?
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