Find the probability - mean starting salary

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Graduates from a graphic arts course at a community college have a mean starting salary of $32,000 with a standard deviation of $3,500. From a sample of 81 graduates, what is the probability that the mean starting salary is between $31,000 and $33,000?

  • 0.0051
  • 0.2282
  • 0.4949
  • 0.9898

 

Reference no: EM1373753

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