Riddle 3. There is a town in Texas where 5% of all the people living there have unlisted phone numbers. If you selected 100 names at random from the town's phone directory, on average, how
many of these people would have unlisted phone numbers?
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The golden moments in the stream of life rush past us and we see nothing but sand; the angels come to visit us, and we only know them when they are gone. ~George Elliot
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