document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428284>Question 428284</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please help me with this problem I am stuck and confused on normal distribution. <BR>\n" );
document.write( "A normal distribution has a mean of 52 and a standard deviation of 4.2 What is the probability of a value between 44.0 and 55.0?\r<BR>\n" );
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document.write( "Your help is greatly apprieciated! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297753 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=297753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A normal distribution has a mean of 52 and a standard deviation of 4.2 What is the probability of a value between 44.0 and 55.0? <BR>\n" );
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document.write( "z(55) = (55-52)/4.2 = 0.7143<BR>\n" );
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document.write( "P(44<= x <=55) = P(-1.9048<= z <= 0.7143) <BR>\n" );
document.write( "= normalcdf(-1.9048,0.7143) = 0.7341<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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