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Health coverage, relative frequencies. The Behavioral Risk

Chapter , Problem 2.18

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QUESTION:

Health coverage, relative frequencies. The Behavioral Risk Factor Surveillance System (BRFSS) is an annual telephone survey designed to identify risk factors in the adult population and report emerging health trends. The following table displays the distribution of health status of respondents to this survey (excellent, very good, good, fair, poor) and whether or not they have health insurance. Health Status Excellent Very good Good Fair Poor Total Health No 0.0230 0.0364 0.0427 0.0192 0.0050 0.1262 Coverage Yes 0.2099 0.3123 0.2410 0.0817 0.0289 0.8738 Total 0.2329 0.3486 0.2838 0.1009 0.0338 1.0000

(a) Are being in excellent health and having health coverage mutually exclusive?

(b) What is the probability that a randomly chosen individual has excellent health?

(c) What is the probability that a randomly chosen individual has excellent health given that he has health coverage?

(d) What is the probability that a randomly chosen individual has excellent health given that he doesn't have health coverage?

(e) Do having excellent health and having health coverage appear to be independent?

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QUESTION:

Health coverage, relative frequencies. The Behavioral Risk Factor Surveillance System (BRFSS) is an annual telephone survey designed to identify risk factors in the adult population and report emerging health trends. The following table displays the distribution of health status of respondents to this survey (excellent, very good, good, fair, poor) and whether or not they have health insurance. Health Status Excellent Very good Good Fair Poor Total Health No 0.0230 0.0364 0.0427 0.0192 0.0050 0.1262 Coverage Yes 0.2099 0.3123 0.2410 0.0817 0.0289 0.8738 Total 0.2329 0.3486 0.2838 0.1009 0.0338 1.0000

(a) Are being in excellent health and having health coverage mutually exclusive?

(b) What is the probability that a randomly chosen individual has excellent health?

(c) What is the probability that a randomly chosen individual has excellent health given that he has health coverage?

(d) What is the probability that a randomly chosen individual has excellent health given that he doesn't have health coverage?

(e) Do having excellent health and having health coverage appear to be independent?

ANSWER:

Step 1 of 6

(a)

No. From the table we can see that 20.99% of adults have Excellent health and they have health coverage, ie;

So, they are not mutually exclusive.

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