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Probability of belonging to different age groups.
The U.S. population by age is as follows (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
Assume that a person will be randomly chosen from this population.
a. What is the probability of the person is 20 to 24 years old?
b. What is the probability of the person is 20 to 34 years old?
c. What is the probability of the person is 45 years or older?
A restaurant monitors its customer's complaints, With information, which of the following is a Pareto chart of the data?
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A study of cardiovascular risk factors compared heavy smokers, light smokers, and nonsmokers. Both men and women were included in the study so that the two factors are smoking level and gender.
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