Stats Question ? [Prev. Q.] [Next Q.] [Prev. Chap.] [Next Chap.] [goto] *****

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
  • *****
    Carlos Rodriguez <>
    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