document.write( "Question 852679: Suppose you are working with a data set that is normally distributed with a mean of 400 and a standard deviation of 20. Determine the value of x such that 60% of the values are greater than x. \n" ); document.write( "

Algebra.Com's Answer #513567 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "mean of 400 and a standard deviation of 20
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document.write( "Determine the value of x such that 60% of the values are greater than x.
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document.write( " NORMSINV(0.112)= -1.216 = .2533,  
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document.write( " z = .2533 = (X-400)/20
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document.write( "     20*.2533 + 400 = X = 405.066 = 406 rounded Up
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