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Indepen­dent and dependent events

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Reference no: EM13251537

The following table shows the number of people, in thou­nds, in the United States with and without health insur­ance in 2011, according to the U.S. Census Bureau:

Age Group

insured

Uninsured

Under 18 years

66,835

6,902

18 to 24 years

22,491

7,649

25 to 34 years

29,690

11,529

35 to 44 years

31,588

8,399

45 to 64 years

68,544

13,382

65 years and older

40,817

690

a. What percentage of the U.S. population in 2011 did not have health insurance and was between the ages of 18 to 24 years?

b. What percentage of the U.S. population in 2011 did not have health insurance or was between the ages of 25 to 34 years?

c. What percentage of the U.S. population in 2011 did have health insurance, given they were 65 years or older?

d. Do age group and health insurance appear to be indepen­dent or dependent events? Define Event A as a person 45 to 64 years old and Event B as the person insured. What conclusions can be drawn with this information?

Reference no: EM13251537

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