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Probability that US resident is 25-44 years old, older than 24

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The following table contains information on the 2002 resident population of the
U.S., by age. (Source: The New York Times Almanac 2004, page 277.)

Age: < 18 18 - 24 25 - 44 45 - 64 65 +
Questions Number in Thousands 1107108 452196 1270419 1068243 588542
If a resident of the U.S. is chosen at random, find the probability that he or she is 25 to 44 years old.

If a resident is chosen at random, find the probability that he or she is older than 24 years old.

In what age category does the median age fall?

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The probability that the United States resident is 25-44 years old or older than 24 are determined.

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