Explain probability of belonging to different age groups


Explain probability of belonging to different age groups.

The U.S. population by age is as shadows (world almanac 2004) the data are in millions of people

Age NUMBER

19 AND UNDER 80.5

20 to 24 19.0

25 to 34 39.9

34 to 44 45.2

45 to 54 37.7

55 to 64 24.3

65 and over 35.0

Presume that a person will be randomly chosen from this population.

1) What is the probability the person is 20 to 24 years old?

2) What is the probability the person is 20 to 34 years old?

3) What is the probability the person is 45 years or older?

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Basic Statistics: Explain probability of belonging to different age groups
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