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In Fairfax County, 6% of drivers are under 21. Last year 20 % of the drivers who are under 21 had an

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Subject: Mathematics
Due on: 05/12/2014
Posted On: 04/11/2014 01:35 AM

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In Fairfax County, 6% of drivers are under 21. Last year 20 % of the drivers who are under 21 had an accident. On the other hand, only 5 % of the drivers who are 21 or older had an accident last year. A driver is chosen at random from Fairfax County.

Draw a tree with the probabilities labeled on the branches to illustrate this experiment.

a. Find the probability that the chosen driver had an accident last year.

b. Given that the driver had an accident last year, find the probability that he is

under 21.

c. Given that the driver did not have an accident last year, find the conditional

probability that he is 21 or older.

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In Fairfax County, 6% of drivers are under 21. Last year 20 % of the drivers who are under 21 had an

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Posted On: 04/11/2014 01:36 AM
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Probabilities.docx (231.97 KB)
Preview: other xxxxx only x % of xxx drivers who xxx 21 xx xxxxx had xx accident last xxxx A driver xx chosen xx xxxxxx from xxxxxxx County Draw x tree with xxx probabilities xxxxxxx xx the xxxxxxxx to illustrate xxxx experiment Solution:The xxxx looks xxxx xxxxxx Find xxx probability that xxx chosen driver xxx an xxxxxxxx xxxx year xxx probability that x.....
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