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In New York City, the average of accountants' salary is $43,000. By the normal curve, the percentage of salary is about 90 with above $40,000. What is the SD(standard deviation) the average?
  • $2,000
  • $2,100
  • $2,300
  • $2,200
  • $2,400
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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