document.write( "Question 922879: You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study was 150 days, with a standard deviation of 36 days.
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\n" ); document.write( "\n" ); document.write( "If you must estimate the population mean within 6 days, how many outside salespeople should you sample? Use the 98 percent confidence level. (Round your answer to the next whole number.)
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Algebra.Com's Answer #559753 by stanbon(75887)\"\" \"About 
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You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study was 150 days, with a standard deviation of 36 days.
\n" ); document.write( "If you must estimate the population mean within 6 days, how many outside salespeople should you sample? Use the 98 percent confidence level. (Round your answer to the next whole number.)
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\n" ); document.write( "Formula::
\n" ); document.write( "n = [z*s/E]^2
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\n" ); document.write( "Ans: n = [ 2.3263*36/6]^2 = 195 when rounded up
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