document.write( "Question 344056: A certain diet claims to lower cholesterol by an average of 60 points with a standard deviation of 7. Find the probability that the mean amount lowered will be more than 75 points. \n" ); document.write( "

Algebra.Com's Answer #246147 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Find the z-score.
\n" ); document.write( " $\"z=%28x-mu%29%2Fsigma=%2875-60%29%2F7\"$
\n" ); document.write( " $\"z=2.14\"$
\n" ); document.write( " $\"P%28z%3C=2.14%29=0.983938\"$
\n" ); document.write( " $\"P%28z%3E2.14%29=1-P%28z%3C=2.14%29\"$
\n" ); document.write( " $\"P%28z%3E2.14%29=1-0.983938\"$
\n" ); document.write( " $\"highlight%28P%28x%3E75%29=P%28z%3E2.14%29=0.01606%29\"$ \n" ); document.write( "

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