document.write( "Question 1182875: if n = 13, x̄ = 40, and s = 13, construct a confidence interval at a 99% confidence level.
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Algebra.Com's Answer #813000 by Edwin McCravy(20067)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Use your TI-84 calculator\r\n" );
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document.write( "press stat, highlight TESTS, then press 8\r\n" );
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document.write( "If your calculator is not too old, you will see a screen that you can\r\n" );
document.write( "make read like this:\r\n" );
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document.write( "            TInterval\r\n" );
document.write( "     Inpt:Data Stats \r\n" );
document.write( "     x̄:40\r\n" );
document.write( "     Sx:13\r\n" );
document.write( "     n:13 \r\n" );
document.write( "     C-Level:0.99\r\n" );
document.write( "     Calculate\r\n" );
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document.write( "Scroll down to highlight Calculate then press enter.\r\n" );
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document.write( "You will see this screen:\r\n" );
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document.write( "            TInterval     \r\n" );
document.write( "     (28.987,51.013)\r\n" );
document.write( "     x̄=40\r\n" );
document.write( "     Sx=13\r\n" );
document.write( "     n=13\r\n" );
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document.write( "The confidence interval is 28.987 < μ < 51.013\r\n" );
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document.write( "Edwin
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