Question

1. Due to rising health insurance costs, more people in the United States go without health insurance. Sample data representative of the United States health insurance coverage for individuals 18 years of age and older are shown here.

		Health Insurance
		Yes	No
Age	18 to 34	750	170
	35 and over	950	130

1. What is the population of interest in this study?
2. What is the sample size in this study?

c. What is the probability that a randomly selected individual does not have health insurance coverage?

d. If the individual is between the ages of 18 and 34, what is the probability that the individual does not have health insurance coverage?

e. What is the proportion of the people in the sample who are between the ages 18 and 34 and have health insurance coverage?

f. Are the events “ages between 18 and 34” and “having health insurance coverage” independent? Provide evidence to support your answer.

g. Are the events “ages between 18 and 34” and “having health insurance coverage” mutually exclusive? Provide evidence to support your answer.

h. Are the events “ages between 18 and 34” and “ages of 35 and over” collectively exhaustive? Provide evidence to support your answer.

Answer 1