SOLUTION: In a survey of 1000 eligible voters selected at random, it was found that 200 had a college degree. Additionally, it was found that 90% of those who had a college degree voted in t

Question 1173296: In a survey of 1000 eligible voters selected at random, it was found that 200 had a college degree. Additionally, it was found that 90% of those who had a college degree voted in the last presidential election, whereas 45% of the people who did not have a college degree voted in the last presidential election. Assuming that the poll is representative of all eligible voters, find the probability that an eligible voter selected at random will have the following characteristics. (Round your answers to three decimal places.)
(a) The voter had a college degree and voted in the last presidential election.
(b) The voter did not have a college degree and did not vote in the last presidential election.
(c) The voter voted in the last presidential election.
(d) The voter did not vote in the last presidential election.

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
=======+C======== -C====Total
+Vote---180-----------360----540
-Vote----20-----------440----460
Total---200-----------800----1000
a. is 180/1000 or 0.180
b. is 440/1000 or 0.440
c. is 0.540
d. is 0.460
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