Which of the following is a good estimate of the probability of lung cancer for a typical American adult?
A) the incidence of lung cancer among U.S.adults
B) the average number of U.S.adults who died from lung cancer in 2013
C) the relative frequency of lung cancer among U.S.adults
D) All of the above

Question

Quizplus · Accepted Answer

The relative frequency of lung cancer among U.S. adults, or the proportion of the population that has or will develop lung cancer, is a good estimate of the probability of lung cancer for a typical American adult. The incidence of lung cancer only tells us how many new cases are diagnosed each year, and the average number of deaths from lung cancer in a particular year is affected by a variety of demographic and medical factors that may not accurately reflect the true risk of developing the disease.

Which of the Following Is a Good Estimate of the Probability