document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=830802>Question 830802</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A final exam in Statistics has a mean of 73 with a standard deviation of 7.73.<BR>\n" );
document.write( "Assume a random sample of 24 students is selected and the mean test score of the sample is computed.<BR>\n" );
document.write( "What percentage of sample means are less than 70? </SPAN>\n" );
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document.write( "A final exam in Statistics has a mean of 73 with a standard deviation of 7.73.<BR>\n" );
document.write( "Assume a random sample of 24 students is selected and the mean test score of the sample is computed.<BR>\n" );
document.write( "What percentage of sample means are less than 70?<BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "Type =normsdist((70-73)/(7.73/sqrt(24))) in Excel, then press enter to get the answer. <BR>\n" );
document.write( "The answer is 0.0286 or 2.86%. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );