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A random sample is taken of 4,000 college students in order to estmate the percentage of students who also have a job among 10,000 students. It turns out that 2,500 of the 4,000 have a job. Find a 68% interval for the percentage of working students among all 10,000 students.
  • between 63.40 and 65.87
  • between 62.14 and 64.34
  • between 61.12 and 62.78
  • between 61.74 and 63.26
  • between 60.33 and 63.28
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    Carlos Rodriguez <carlos@math.albany.edu>
    This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
    Last modified: Wed May 13 12:29:11 EDT 1998