document.write( "Question 1136853: The retail price of 12-pack soda can be characterized as having a normal distribution with a mean of 3 dollars and a standard deviation of 0.25. Below what price do you find 20 percent of all 12-packs? \n" ); document.write( "
Algebra.Com's Answer #754712 by Boreal(15235)\"\" \"About 
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The z-value for 20%ile is -0.84
\n" ); document.write( "z=(x-mean)/sd
\n" ); document.write( "-0.84=(x-3)/0.25
\n" ); document.write( "-0.21=x-3
\n" ); document.write( "x=$2.79
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