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