According to chebyshevs theorem if a population has a mean


According to Chebyshev's theorem, if a population has a mean of 90 and a standard deviation of 25, at least what proportion of the values lie between 30 and 150?

  • .83
  • .51
  • .31
  • .66

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Basic Statistics: According to chebyshevs theorem if a population has a mean
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