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The Census Bureau says that the 10 most common surnames in the United States are, in...

The Census Bureau says that the 10 most common surnames in the United States are, in order, Smith, Johnson, Williams, Brown, Jones, Miller, Davis, Garcia, Rodriguez, and Wilson. These names account for 9.6% of all U.S. residents. Suppose you look at the authors of the textbooks for your current courses and find that there are 11 authors in total.

What is the probability that none of the 11 surnames of these authors were among the 10 most common? Please round your answer to three decimal places.

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Answer #1

P(None of the 11 surnames of these authors were among the 10 most common)

= (1 - 0.096)11

= 0.329

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