document.write( "Question 760073: \n" );
document.write( " a. \n" );
document.write( " A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that xbar is 10. Estimate the population mean with 90% confidence. \n" );
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document.write( " b. \n" );
document.write( " Repeat part (a) with a sample size of 25. \n" );
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document.write( " c. \n" );
document.write( " Repeat part (a) with a sample size of 10. \n" );
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document.write( " d. \n" );
document.write( " Describe what happens to the confidence interval estimate when the sample size decreases the confidence interval estimate becomes more accurate.\r \n" );
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document.write( " a. \n" );
document.write( " A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that xbar is 10. Estimate the population mean with 90% confidence. \n" );
document.write( " \n" );
document.write( " \n" );
document.write( " b. \n" );
document.write( " Repeat part (a) with a sample size of 25. \n" );
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document.write( " c. \n" );
document.write( " Repeat part (a) with a sample size of 10. \n" );
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document.write( " d. \n" );
document.write( " Describe what happens to the confidence interval estimate when the sample size decreases the confidence interval estimate becomes more accurate.\r \n" );
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