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Homework answers / question archive / A population of unknown shape has a mean of 3000 and a standard deviation of 200

A population of unknown shape has a mean of 3000 and a standard deviation of 200

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A population of unknown shape has a mean of 3000 and a standard deviation of 200.

  1. Find the minimum proportion of observations in the population that are in the range 2600 to 3400.
  2. Determine the maximum proportion of the observations that are above 3600.  
  3. What statement could you make concerning the proportion of observations that are smaller than 2400?

 

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