document.write( "Question 135531: 1. After a sample of numbers is taken from a population, the 95% confidence interval is calculated out at {10.5, 12.0}
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document.write( "What is the correct way to interpret this confidence interval? Choose one. \r
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document.write( "A)95% of all values in the population are between 10.5 and 12.0
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document.write( "B)There is a 95% probability that the true population parameter is between 10.5 and 12.0.
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document.write( "C)The true population mean has to be between 10.5 and 12.0
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document.write( "D)The mean is between 10.5 and 12.0, and the standard deviation is 95.\r
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Algebra.Com's Answer #99344 by stanbon(75887) ![]() You can put this solution on YOUR website! Ans: B \n" ); document.write( "Comment: That is the best answer of the four you must choose from \n" ); document.write( "but that is not a generally accepted statement as to the meaning \n" ); document.write( "of a confidence interval. \n" ); document.write( "The generally accepted meaning is \"We are 95% confident that the \n" ); document.write( "population mean lies between 10.5 and 12.\" \n" ); document.write( "The statement is about confidence, not about probability. The \n" ); document.write( "population mean either is or is not in that interval; there is \n" ); document.write( "no \"probability\" of it being there. \n" ); document.write( "------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |