# Question

As listed in The World Factbook, 2009, the age structure of the U.S. population is shown in the table.

If one U.S. citizen were to be selected at random from this population, what is the probability that the person selected is

a. female?

b. 0–14 years old?

c. male and 15–64 years old?

d. female or 65 years and over?

e. under 15 years of age, knowing the person is female?

f. male, given that the person is 15 to 64 years old?

g. Are the events “person selected is male” and “person selected is female” independent events? Justify your answer. What is the relationship between female and male in this situation?

If one U.S. citizen were to be selected at random from this population, what is the probability that the person selected is

a. female?

b. 0–14 years old?

c. male and 15–64 years old?

d. female or 65 years and over?

e. under 15 years of age, knowing the person is female?

f. male, given that the person is 15 to 64 years old?

g. Are the events “person selected is male” and “person selected is female” independent events? Justify your answer. What is the relationship between female and male in this situation?

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