document.write( "Question 1197337: In Melanie's Styling Salon, the time to complete a simple haircut is normally distributed with a mean of 25 minutes and a standard deviation of 4 minutes. For a simple haircut, the middle 90 percent of the customers will require...\r
\n" ); document.write( "\n" ); document.write( "a)between 18.4 and 31.6
\n" ); document.write( "b)between 19.9 and 30.1
\n" ); document.write( "c)between 20.0 and 30.0
\n" ); document.write( "d)between 17.2 and 32.8 \n" ); document.write( "

Algebra.Com's Answer #830573 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi\r\n" );
document.write( "In Melanie's Styling Salon, the time to complete a simple haircut:\r\n" );
document.write( "  µ = 25 and σ = 4\r\n" );
document.write( " the middle 90 percent of the customers will require...\r\n" );
document.write( "invNorm(area to left of desired z).\r\n" );
document.write( "Invnorm(.05) = 18.4   (.90 in between)\r\n" );
document.write( "Invnorm(.95) = 31.6\r\n" );
document.write( "a) is Your answer\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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