document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=839127>Question 839127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> . Using the 68- 95- 99.7 Rule. Assume the resting pulse rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. Use the 68- 95- 99.7 rule to find the following quantities. <BR>\n" );
document.write( "a. Percentage of pulse rates less than 70 <BR>\n" );
document.write( "c. Percentage of pulse rates between 55 and 70 <BR>\n" );
document.write( "e. Percentage pulse of rates between 70 and 100.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #505543 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=505543\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using the 68- 95- 99.7 Rule. Assume the resting pulse rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. Use the 68- 95- 99.7 rule to find the following quantities. <BR>\n" );
document.write( "a. Percentage of pulse rates less than 70<BR>\n" );
document.write( "Ans: 50% because 70 is the mean.<BR>\n" );
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document.write( "c. Percentage of pulse rates between 55 and 70<BR>\n" );
document.write( "Ans: (1/2)68 = 34% because 55 is one std below the mean.<BR>\n" );
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document.write( "e. Percentage pulse of rates between 70 and 100.<BR>\n" );
document.write( "Ans: (1/2)95 = 47.5% because 100 is 2 std above the mean.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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