document.write( "Question 672687: Could I please have some help with this problem. Thank you.\r
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document.write( "Find the area under the standard normal curve for the following:
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document.write( "(A) P(z > 0.90)\r
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document.write( "(B) P(-1.17 < z < 0)\r
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document.write( "(C) P(-0.58 < z < 1.57)\r
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document.write( "table is a \"cumulative standard normal table (so it gives area to the left of the z-score) and has positive and negative z-scores shown\". \n" );
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Algebra.Com's Answer #418262 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I suggest you purchase a TI-84+ calculator. \n" ); document.write( "-------------------------\r \n" ); document.write( "\n" ); document.write( "(A) P(z > 0.90) = normalcdf(0.90,100) = 0.1841 \n" ); document.write( "----- \n" ); document.write( "normalcdf sums up the area under the normal curve \n" ); document.write( "over the z-interval [0.9,100] \n" ); document.write( "-------------- \n" ); document.write( "(B) P(-1.17 < z < 0) = normalcdf(-1.17,0) = 0.3790 \n" ); document.write( "normalcdf sums up the area under the normal curve \n" ); document.write( "over the z-interval (-1.17,0) \n" ); document.write( "------------------ \n" ); document.write( "(C) P(-0.58 < z < 1.57) = normalcdf(-0.58,1.57) = 0.4649 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " \n" ); document.write( " |