document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199192>Question 199192</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this question<BR>\n" );
document.write( "A tank of 3500 fish have a mean of 1.2kg with a standard deviation of 0.225 kg.<BR>\n" );
document.write( "Determine the number of these that will be:<BR>\n" );
document.write( "A) More than 1.2kg<BR>\n" );
document.write( "B) Less than 0.75kg\r<BR>\n" );
document.write( "\n" );
document.write( "Regards<BR>\n" );
document.write( "coolboy431 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149706 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=149706\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tank of 3500 fish have a mean of 1.2kg with a standard deviation of 0.225 kg.<BR>\n" );
document.write( "Determine the number of these that will be:<BR>\n" );
document.write( "A) More than 1.2kg<BR>\n" );
document.write( "Find the z-value of 1.2<BR>\n" );
document.write( "z(1.2) = (1.2-1.2)/0.225 = 0<BR>\n" );
document.write( "P(x > 1.2) = P(z > 0) = 0.5000<BR>\n" );
document.write( "------------------------------------\r<BR>\n" );
document.write( "\n" );
document.write( "B) Less than 0.75kg<BR>\n" );
document.write( "Find the z-value of 0.75<BR>\n" );
document.write( "z(0.75) = (0.75-1.2)/0.225 = -0.45/0.225 = -2<BR>\n" );
document.write( "P(x < 0.75) = P(z<-2) = 0.02275...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );