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 3 years ago
pls help......
13% of people in a certain town have unlisted phone numbers.you select 300 names at random from the phone book.what is the expected number of people who will have unlisted numbers?
 3 years ago
pls help...... 13% of people in a certain town have unlisted phone numbers.you select 300 names at random from the phone book.what is the expected number of people who will have unlisted numbers?

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Owlfred
 3 years ago
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