document.write( "Question 973915: I have been asked to find the z-score for a normal distribution that has a mean of 100 and standard deviation of 8. x=108. So the z-score I got was 1. Now knowing that information I am supposed to determine the area or probability of p(x>108). I am not sure what to do. I honestly don't even know where to begin. If someone can help walk me through the steps or lead me in how to address this problem that would be wonderful because I have five questions similar to that with x>, \n" ); document.write( "

Algebra.Com's Answer #595968 by MathTherapy(10552) $\"\"$ $\"About$

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I have been asked to find the z-score for a normal distribution that has a mean of 100 and standard deviation of 8. x=108. So the z-score I got was 1. Now knowing that information I am supposed to determine the area or probability of p(x>108). I am not sure what to do. I honestly don't even know where to begin. If someone can help walk me through the steps or lead me in how to address this problem that would be wonderful because I have five questions similar to that with x>, \n" ); document.write( "

A z score of 1 is correct, calculated as follows: 
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document.write( "Dealing with z scores, I'm certain you have a book with a table of z scores. If you do, then look up for the
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document.write( "percentage under the bell curve for a z score of 1. If not, you can use the \"NORMSDIST\" function in MS excel
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document.write( "to find the percentage associated with a z score of 1. Either way, you should find it to be: .8413. 
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document.write( "A percentage of .8413 or 84.13% THOUGH, represents the area to the LEFT OF the x value of 108. Therefore, 
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document.write( "the area to the RIGHT of the x value of 108, or x > 108 is: 1 - .8413, or , or % \n" );
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