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400 draws are made at random with replacement from a box with an AVE=3 and an SD=4. What is the expected value and standard error for the sum?
  • Sum=900,SE=30
  • Sum=1200,SE=80
  • Sum=1500,SE=80
  • Sum=1200,SE=30
  • Sum=1600,SE=60
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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