document.write( "Question 580952: Hi there, please help :)\r
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document.write( "Consider a normal probability distribution with a mean of 33.2 and a standard deviation of 4.6. Find P (28.5 < x < 39.1). \r
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document.write( "Thanks,
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document.write( "Lisa \n" );
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Algebra.Com's Answer #371401 by stanbon(75887) ![]() You can put this solution on YOUR website! Consider a normal probability distribution with a mean of 33.2 and a standard deviation of 4.6. Find P (28.5 < x < 39.1). \n" ); document.write( "---- \n" ); document.write( "z(28.5) = (28.5-33.2)/4.6 = -1.0217 \n" ); document.write( "---- \n" ); document.write( "z(39.1) = (39.1-33.2)/4.6 = 1.2826 \n" ); document.write( "----- \n" ); document.write( "P(28.5 < x < 39.1) = P(-1.0217 < z < 1.2826) = 0.7467 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |