document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904991>Question 904991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company manufactures hockey sticks. It is known that the length of these hockey sticks is normally distributed with mean 92cm and a standard deviation 4cm. <BR>\n" );
document.write( "A sample of 30 hockey sticks is drawn. Calculate the probability that the sample mean  will be between 91cm and 93 cm?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548957 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z1 = (91-92)/4/sqrt(30)<BR>\n" );
document.write( "z2 = (93-92)/4/sqrt(30)<BR>\n" );
document.write( "P(91 >xbar< 93) = normalcdf(smaller z, larger z) = normalcdf(z1, z2) </SPAN>\n" );
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