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Question 1:
10% of all the people living in a certain town in Georgia have unlisted phone numbers. If you selected 100 names at random from the towns phone book, on average, how many of these people would have unlisted phone numbers?
A. 0%
B. 15%
C. 35%
D. 10%

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Trivial Practice Quiz brain-teasers - Test 11 | Englishfreetest.com