document.write( "Question 275699: Find the mean, variance, and standard deviation of n=80, p=0.3? \n" ); document.write( "
Algebra.Com's Answer #201059 by stanbon(75887) ![]() You can put this solution on YOUR website! Find the mean, variance, and standard deviation of n=80, p=0.3? \n" ); document.write( "----------------------------- \n" ); document.write( "mean = np = 80*(3/10) = 8*3 = 24 \n" ); document.write( "--- \n" ); document.write( "variance = npq = 24*0.7 = 16.8 \n" ); document.write( "--- \n" ); document.write( "std = sqrt(npq) = 4.099 \n" ); document.write( "-------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |