document.write( "Question 448467: The scores on a standardized college entrance examination are found to be normally distributed. The mean is 85 and the standard deviation is 11. What percent scored between 85 and 107? \n" ); document.write( "

Algebra.Com's Answer #308580 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "The scores on a standardized college entrance examination are found to be normally distributed.
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document.write( "The mean is 85 and the standard deviation is 11
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document.write( "What percent scored between 85(Note: the mean) and 107?
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document.write( " z = (107-85)/11 = 22/11 = 
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document.write( " P(x < 207) = P(z< 2) =  NORMSDIST(2) = .9773
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document.write( "  .9773 - .5 = .4773   47.73% are between 85 and 107
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document.write( "Area under the graph from the y-axis to the blue line
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