document.write( "Question 977360: Suppose Leslie's daily steps are normally distributed with a mean of 7512 and a standard deviation of 1400. Determine the minimum steps required to be in the top 10% of her daily steps? \n" ); document.write( "

Algebra.Com's Answer #598921 by Fombitz(32388) $\"\"$ $\"About$

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So find the z-score when $\"p=0.90\"$ .
\n" ); document.write( " $\"z=1.2816\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"%28x-7512%29%2F1400=1.2816\"$
\n" ); document.write( " $\"x-7512=1794\"$
\n" ); document.write( " $\"x=9306\"$
\n" ); document.write( " \n" ); document.write( "

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