document.write( "Question 654118: Suppose we have a set of blood pressures with a mean of 80 Diastolic, and a sample standard deviation of 5 points. Assuming a normal distribution of diastolic blood pressures, between what two values should 95% of all Diastolic blood pressures lie? \n" ); document.write( "
Algebra.Com's Answer #408618 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Suppose we have a set of blood pressures with a mean of 80 Diastolic, and a sample standard deviation of 5 points. Assuming a normal distribution of diastolic blood pressures, between what two values should 95% of all Diastolic blood pressures lie? \n" ); document.write( "---------- \n" ); document.write( "The z-values for that interval are +-1.96 \n" ); document.write( "----- \n" ); document.write( "Solve for \"x\" using x = z*s+u \n" ); document.write( "----- \n" ); document.write( "Lower Limit: -1.96*5+80 = 70.2 \n" ); document.write( "Upper Limit: +1.96*5+80 = 89.8 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |