document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159159>Question 1159159</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that blood pressure readings are normally distributed with a mean of 124 and a standard deviation of 6.4. If 25 people are randomly selected, find the probability that their mean blood pressure will be less than 126. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #783423 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=783423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x bar-mean)/sigma/sqrt(n)=(126-124)/6.4/sqrt(25)<BR>\n" );
document.write( "z=(2)*sqrt(25)/6.4<BR>\n" );
document.write( "=1.5625<BR>\n" );
document.write( "probability z <1.5625 is 0.9409 </SPAN>\n" );
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