MATH; STANDARD DEVIATION

suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use 68-95-99.7 rule to find the percentage of buyers who paid:

between $150,000 and $152,000 if the standard deviation is $1200

asked by CHIN
  1. you can plug in your numbers and play around with Z table stuff at

    http://davidmlane.com/hyperstat/z_table.html

    posted by Steve

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