document.write( "Question 675224: Assume that X has a normal distribution, and find the indicated probability.\r
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document.write( "The mean is μ = 60.0 and the standard deviation is σ = 4.0.
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document.write( "Find the probability that X is less than 53.0. \n" );
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Algebra.Com's Answer #419638 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The mean is μ = 60.0 and the standard deviation is σ = 4.0. \n" ); document.write( "Find the probability that X is less than 53.0. \n" ); document.write( "-------- \n" ); document.write( "z(53) = (53-60)/4 = -7/4 \n" ); document.write( "----- \n" ); document.write( "P(x < 53) = P(z < -7/4) = normalcdf(-100,-7/4) = 0.0401 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " |