document.write( "Question 453425: In a certain microwave oven on the high power setting, the time it takes a randomly chosen kernel of popcorn to pop is normally distributed with a mean of 140 seconds and a standard deviation of 25 seconds.\r
\n" ); document.write( "\n" ); document.write( "(1) \r
\n" ); document.write( "\n" ); document.write( "What percentage of the kernels will fail to pop if the popcorn is cooked for (Round your answers to 4 decimal places. Omit the \"%\" sign in your response.)
\n" ); document.write( "
\n" ); document.write( " (a) Two minutes %
\n" ); document.write( " (b) Three minutes % \r
\n" ); document.write( "\n" ); document.write( "(2) \r
\n" ); document.write( "\n" ); document.write( "Determine the time that would be allowed in order to get the following percentage of the kernels popped. (Round your answers to 3 decimal places.)
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\n" ); document.write( " (c) 95 percent seconds
\n" ); document.write( " (d) 99 percent seconds
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Algebra.Com's Answer #311568 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
1a)
\n" ); document.write( "120-140=-20
\n" ); document.write( "-20/25=-.8
\n" ); document.write( ".7881
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\n" ); document.write( "1b)
\n" ); document.write( "180-140=40
\n" ); document.write( "40/25=1.6
\n" ); document.write( ".0548
\n" ); document.write( ".
\n" ); document.write( "Ed
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