document.write( "Question 620509: Solve Probability Problems. P(x>450) Mean=390 Deviation=65 \n" ); document.write( "
Algebra.Com's Answer #390210 by stanbon(75887) ![]() You can put this solution on YOUR website! Solve Probability Problems. P(x>450) Mean=390 Deviation=65 \n" ); document.write( "----- \n" ); document.write( "z(450) = (450-390)/65 = 60/65 = 12/13 \n" ); document.write( "--- \n" ); document.write( "P(x > 45) = P(z > 12/13) = normalcdf(12/13,100) = 0.1780 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |