document.write( "Question 1119064: Assume that the heights of men are normally distributed with a mean of 67.867.8 inches and a standard deviation of 2.82.8 inches. If 6464 men are randomly selected, find the probability that they have a mean height greater than 68.868.8 inches. Round to four decimal places. \n" ); document.write( "
Algebra.Com's Answer #734513 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! z=(xbar-mean)/sigma/sqrt(n) \n" ); document.write( "This is z > (68.8-67.8)/2.8/sqrt(64) or a z>1/0.35 or z>2.86 \n" ); document.write( "This is a probability of 0.0021. \n" ); document.write( " |