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Ten percent of U.S. households contain 5 or more people. You want to simulate choosing a household at random and recording "Yes" if it contains 5 or more people. Which of these are correct assignments of digits for this simulation?
(a) Odd = Yes; Even = No
(b) 0 = Yes; 1-9 = No
(c) 0-5 = Yes; 6-9 = No
(d) 0-4 = Yes; 5-9 = No
(e) None of these

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sqdancefan

Answer:

  (b)  0 = Yes; 1-9 = No

Step-by-step explanation:

Among digits, 10% of 10 digits is a single digit. Any answer choice that suggests more than one digit be used for "yes" is not appropriate. A good choice is ...

  0 = Yes; 1-9 = No . . . . . choice (b)

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