Based on data from the Statistical Abstract of the United States, 112th Edition, only about 20%...

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Statistics

Based on data from the Statistical Abstract of the UnitedStates, 112th Edition, only about 20% of senior citizens (65years old or older) get the flu each year. However, about 32% ofthe people under 65 years old get the flu each year. In the generalpopulation, there are 15% senior citizens (65 years old orolder).
(a) What is the probability that a person selected at randomfrom the general population is senior citizen who will get the fluthis season? (Use 3 decimal places.)

(b) What is the probability that a person selected at random fromthe general population is a person under age 65 who will get theflu this year? (Use 3 decimal places.)

(c) Answer parts (a) and (b) for a community that has 87% seniorcitizens. (Use 3 decimal places.)
(a)
(b)

(d) Answer parts (a) and (b) for a community that has 48% seniorcitizens. (Use 3 decimal places.)
(a)
(b)

Answer & Explanation Solved by verified expert

3.7 Ratings (422 Votes)

We will use Bayes theoremwhere A and B are events such that PB is not zeroPAB is a conditional probabilitythe likelihoodof event A occurring given that B See Answer

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