document.write( "Question 1113599: The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of 20 inches.
\n" ); document.write( "Referring to Scenario 6-1, for a randomly chosen Monday the probability is 0.1 that there will be less than how many column inches of classified advertisements? \n" ); document.write( "
Algebra.Com's Answer #728670 by stanbon(75887)\"\" \"About 
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The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of 20 inches.
\n" ); document.write( "Referring to Scenario 6-1, for a randomly chosen Monday the probability is 0.1 that there will be less than how many column inches of classified advertisements?
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\n" ); document.write( "Find the z-score with a left tail of 0.1
\n" ); document.write( "z = invNorm(0.1) = -1.2816
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\n" ); document.write( "Find the corresponding column inches using x = z*s+u
\n" ); document.write( "Ans:: x = -1.2816*20+320 = 294.37 inches
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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