Question

A study compared people who followed the American Heart Association (AHA) diet to people who followed...

A study compared people who followed the American Heart Association (AHA) diet to people who followed the Mediterranean (Med) diet, with the following results.

Disease No Disease Total
AHA 70 249 319
Med 27 266 293
Total 97 515 612

Suppose that a study participant is chosen at random. Answer the following questions.

What is the probability that the participant was diseased if he or she followed the AHA diet? Round your answer to two decimal places.

Given that the participant was found to have disease, what is the probability that he or she followed the Mediterranean diet? Round your answer to two decimal places.

A survey of adult Americans yielded the following data:

Smoker Non-smoker Total
Four-year degree 2 21 23
No four-year degree 14 55 69
Total 14 78 92

How many people responded to the survey?

What is the probability that a person randomly selected from among those who responded to the survey is a smoker, given that that person has a four-year degree? Round your answer to two decimal places.

What is the sample space for this experiment?

A. {92}
B. {2, 14, 21, 55}
C. {Four-year degree/Smoker, Four-year degree/Non-smoker, No four-year degree/Smoker, No four-year degree/Non-smoker}
D. {Smoker, Non-smoker, Four-year degree, No four-year degree}

Math   Statistics-And-Probability   
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