Question

Based on data from the Statistical Abstract of the United States, 112th Edition, only about 14% of senior citizens (65 years old or older) get the flu each year. However, about 30% of the people under 65 years old get the flu each year. In the general population, there are 15% senior citizens (65 years old or older).

(a) What is the probability that a person selected at random from the general population is senior citizen who will get the flu this season? (Use 3 decimal places.)


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


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

a)

(d) Answer parts (a) and (b) for a community that has 51% senior citizens. (Use 3 decimal places.)

Answer 1

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