document.write( "Question 755401: Suppose the test scores of 600 students are normally distributed with a mean of 76 and
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document.write( "standard deviation of 8. The number of students scoring between 70 and 82 is \n" );
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Algebra.Com's Answer #459699 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Suppose the test scores of 600 students are normally distributed with a mean of 76 and \n" ); document.write( "standard deviation of 8. The number of students scoring between 70 and 82 is \n" ); document.write( "------- \n" ); document.write( "z(70) = (70-76)/8 = -3/4 \n" ); document.write( "z(82) = (82-76)/8 = +3//4 \n" ); document.write( "------------------ \n" ); document.write( "P(70< x <82) = P(-3/4< z <+3/4) = 0.5467 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |