document.write( "Question 460843: The time taken for a computer link to be made between the terminal in an executive's office and the computer at a remote factory site has a Normal distribution with a mean of 15 seconds and a standard deviation of 3 seconds. On 90% of the occasions, the computer link is made in less than ___ \n" ); document.write( "

Algebra.Com's Answer #316342 by stanbon(75887) $\"\"$ $\"About$

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The time taken for a computer link to be made between the terminal in an executive's office and the computer at a remote factory site has a Normal distribution with a mean of 15 seconds and a standard deviation of 3 seconds. On 90% of the occasions, the computer link is made in less than ___
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\n" ); document.write( "Find the z-value with a 90% left tail:
\n" ); document.write( "invNorm(0.90) = 1.2816
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\n" ); document.write( "Find the corresponding x-value:
\n" ); document.write( "x = zs+u
\n" ); document.write( "x = 1.2816*3 + 15 = 18.84 seconds
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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