document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979534>Question 979534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The probability that a radish seed will germinate is 0.7. A gardener pLants seeds in batches of 20. Find the standard deviation for the number of seeds germinating in each batch. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #600828 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=600828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a binomial distribution problem\r<BR>\n" );
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document.write( "Standard deviation: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma+=+sqrt%28n%2Ap%2A%281-p%29%29 ALIGN=MIDDLE  ALT=\"sigma+=+sqrt%28n%2Ap%2A%281-p%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma++=+sqrt%2820%2A0.7%2A%281-0.7%29%29 ALIGN=MIDDLE  ALT=\"sigma++=+sqrt%2820%2A0.7%2A%281-0.7%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma++=+2.04939015319191 ALIGN=MIDDLE  ALT=\"sigma++=+2.04939015319191\"   DISABLED_style= \"max-width:90%; height:auto;\" > (this is approximate) </SPAN>\n" );
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