document.write( "Question 270805: A population has a mean of 50 and a standard deviation of 7. You select a random sample of 36. Compute the following: \r
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document.write( "The value for which there is a .025 probability that the sample mean will be greater than. \n" );
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Algebra.Com's Answer #198307 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A population has a mean of 50 and a standard deviation of 7. You select a random sample of 36. Compute the following: \n" ); document.write( "The value for which there is a .025 probability that the sample mean will be greater than. \n" ); document.write( "----- \n" ); document.write( "Find the t-score that has a 0.025 left-tail. \n" ); document.write( "----- \n" ); document.write( "invT(0.025,35) = -2.0301 \n" ); document.write( "------ \n" ); document.write( "Find the corresponding \"x-value\": \n" ); document.write( "x = ts + u \n" ); document.write( "x = -2.0301*(7/sqrt(36)) + 50 \n" ); document.write( "---- \n" ); document.write( "x = 47.63.. \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |