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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \n" ); document.write( " |