document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=869277>Question 869277</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A marksman can hit the center of a target with a probability of p = .4. Find the probability that out of 10 trials, the marksman can hit the center\r<BR>\n" );
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document.write( "a.Exactly 6 times<BR>\n" );
document.write( "b.At most 3 times<BR>\n" );
document.write( "c.Find the mean and standard deviation for this situation. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #524110 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=524110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A marksman can hit the center of a target with a probability of p = .4. Find the probability that out of 10 trials, the marksman can hit the center <BR>\n" );
document.write( "a.Exactly 6 times<BR>\n" );
document.write( "P(x = 6) = 10C6*(0.4)^6*(0.6)^4 = binompdf(10,0.4,6) = 0.1115<BR>\n" );
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document.write( "b.At most 3 times<BR>\n" );
document.write( "P(0<= x <=3) = binomcdf(10,0.4,3) = 0.3823<BR>\n" );
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document.write( "c.Find the mean and standard deviation for this situation.<BR>\n" );
document.write( "mean = np = 10*0.4 = 4<BR>\n" );
document.write( "std = sqrt(npq) = sqrt(4*0.6) = 1.5492<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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