document.write( "Question 862590: in developing an interval estimate for a population mean, a sample of 50 observations was used. the interval estimate was (19.76;1.32). had the sample size been 200 instead of 50, the interval estimate would have been what \n" ); document.write( "
Algebra.Com's Answer #519722 by ewatrrr(24785)\"\" \"About 
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(19.76;1.32) is this the original interval estimate of the mean? \n" ); document.write( "
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