document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=579923>Question 579923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company maucfactures batteries in batches of 14 and their is 3 percent reat of defects find the mean and standard deviation for the random variable x and the number of defects per bacth  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #371109 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=371109\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A company maucfactures batteries in batches of 14 and there is 3 percent risk of defects. find the mean and standard deviation for the random variable x and the number of defects per batch <BR>\n" );
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document.write( "mean = np = 14*0.03 = 0.42<BR>\n" );
document.write( "std = sqrt(npq) = sqrt(0.42*0.97) = 0.6383<BR>\n" );
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document.write( "# of defects per batch = mean = 0.42<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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