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March 26, 2017

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The average score on a standardized test is 500 points with a standard deviation of 50 points. What is
the probability that a student scores between 450 and 600 on the standardized test?

  • statistics - ,

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

  • statistics - ,

    Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the two Z scores and calculate the proportion between them.

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