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March 27, 2015

March 27, 2015

Posted by **will** on Wednesday, February 18, 2009 at 2:54am.

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 24% of the

people under 65 years old get the flu each year. In the general population, there are 12.5% senior

citizens (65 years old or older).

a) What is the probability that a person selected at random from the general population is a

senior citizen who will get the flu this year?

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?

c) Answer parts a) and b) for a community that has 50% senior citizens?

- college math - biostatistics -
**drwls**, Wednesday, February 18, 2009 at 6:02ama)(0.125) x (0.14) = ?

b)(0.875) x (0.24) =

c)(0.50)x(0.14) + (0.50)x(0.24) = ?

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