document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=455894>Question 455894</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, , spent by customers at the supermarkets has been reported to be  minutes, but executives hire a statistical consultant and ask her to determine whether it can be concluded that  is greater than  minutes . \r<BR>\n" );
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document.write( "To perform her statistical test, the consultant collects a random sample of shopping times at the supermarkets. She computes the mean of these times to be  minutes and the standard deviation of the times to be  minutes. \r<BR>\n" );
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