document.write( "Question 138136: Daily output of Marathon's refinery is normally distributed with a mean of 232000 barrels of crude oil per day with a standard deviation of 7000 barrels.
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document.write( "What is the probability of producting at least 232000 barrels?
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document.write( "Between 232000 and 239000 barrels?
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document.write( "Less than 239000 barrels?
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document.write( "Less than 245000 barrels?
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document.write( "More than 225000 barrels? \n" );
document.write( "
Algebra.Com's Answer #100982 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Daily output of Marathon's refinery is normally distributed with a mean of 232000 barrels of crude oil per day with a standard deviation of 7000 barrels. \n" ); document.write( "--------------------------------------------- \n" ); document.write( "What is the probability of producting at least 232000 barrels? \n" ); document.write( "P(0 < z) = 0.50 \n" ); document.write( "---------------------------- \n" ); document.write( "Between 232000 and 239000 barrels? \n" ); document.write( "P (232000 < x < 239000) = P(0 < z < [(239000-233200/7000]) = P(0 \n" ); document.write( "I have a feeling that you have posted the wrong standard deviation. Are you \n" ); document.write( "sure it's not 70,000? \n" ); document.write( "-------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( "Less than 239000 barrels? \n" ); document.write( "Less than 245000 barrels? \n" ); document.write( "More than 225000 barrels? |