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in a high school in NY of about 2000 students, a survey was taken. a random sample of 300 students were asked about whether they have pets or not. it turned out that 128 of the 300 had pets. estimate the percentage of students having pets and attach a standard error to the estimate.
  • 79% + or - 3.9%
  • 79% + or - 2.6%
  • 76% + or - 2.9%
  • 79% + or - 2.9%
  • 69% + or - 2.9%
  • *****
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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