document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=698847>Question 698847</A>: <I><SPAN STYLE=\"word-break: break-all;\">  X has a normal distribution with a mean of 80.0 and a standard deviation of 4.0. Find the following probabilities:<BR>\n" );
document.write( "(A) P(x < 78.0)<BR>\n" );
document.write( "(B) P(76.0 < x < 84.0)<BR>\n" );
document.write( "(C) P(x > 82.0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #806603 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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/cgi-bin/show-face.mpl?user=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=806603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) P(x < 78) <BR>\n" );
document.write( "78 is 0.5 standard deviations below the mean ---> 30.9%\r<BR>\n" );
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document.write( "b) P(76 < x < 84)<BR>\n" );
document.write( "within 1 standard deviation of the mean ---> 68.2%\r<BR>\n" );
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document.write( "c) P(x > 82)<BR>\n" );
document.write( "0.5 and above standard deviations above the mean ---> 30.9%\r<BR>\n" );
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