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# Joint Probability Table

Health Insurance (Proportion of Population)
Yes No
Age 18 to 34 750 170
35 and older 950 130

a. Develop a joint probability table for these data and use the table to answer the remaining questions.
b. What do the marginal probabilities tell you about the age of the US population?
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?
e. If the individual is 35 or older, what is the probability that the individual does not have health insurance coverage?
f. If the individual does not have health insurance, what is the probability that the individual is in the 18 to 34 age group?
g. What does the probability information tell you about health insurance coverage in the US?

#### Solution Preview

a) The joint probability table is as follows:

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Health Insurance
Yes (H1) No ...

#### Solution Summary

A joint probability table is determined. The marginal probabilities which tell you about the age of the US population is determined.

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