document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=449984>Question 449984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The unemployment rate in a city is 15%. Find the probability that at most 1 out of 8 people from this city sampled at random are unemployed. Round your answer to four decimal places.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #309543 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=309543\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The unemployment rate in a city is 15%. Find the probability that at most 1 out of 8 people from this city sampled at random are unemployed. Round your answer to four decimal places. <BR>\n" );
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document.write( "1/8 = 0.125<BR>\n" );
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document.write( "z(0.125) = (0.125-0.15)/sqrt(0.15*0.85) = -0.0700<BR>\n" );
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document.write( "P(x <= 0.125) = P(z< -0.07) = 0.4721<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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