document.write( "Question 928139: a= 0.05 test the claim that u>16 using P value n= 50 x=16.3 o= 1.2 find p value. \n" ); document.write( "
Algebra.Com's Answer #563496 by ewatrrr(24785) You can put this solution on YOUR website! Ho: u = 16 \n" ); document.write( "Ha: u >16 (claim) \n" ); document.write( "....... \n" ); document.write( "sample of 50: xbar =16.3 o= 1.2minutes. \n" ); document.write( "t(16.3) = .3/(1.2/sqrt(50)) = 1.7678 \n" ); document.write( "p-value = tcdf (1.7678, 100, 49) = .0417 \n" ); document.write( "...... \n" ); document.write( "If Using z-value: normalcdf(1.7678, 100) = .0385 (Same Results) \n" ); document.write( "....... \n" ); document.write( "confidence level .05 \n" ); document.write( ".04 < .05 0r .0385 < .05 \n" ); document.write( "Reject Ho. Test results support the claim u >16 \n" ); document.write( "...... \n" ); document.write( "re TY \n" ); document.write( "mean of 1400 and a standard deviation of 200. \n" ); document.write( "A college will only take applicants in the top 2.5% or higher. \n" ); document.write( "What is the lowest score they would need on the entrance exam \n" ); document.write( "200(invNorm(.975) + 1400 = 200(1.96) + 1400 = 1792, lowest score \n" ); document.write( " \n" ); document.write( " |