document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205585>Question 1205585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr. and Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 4/5. If they have seven children, what is the probability that exactly one of their seven children will have that trait? Round your answer to the nearest thousandth.\r<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 #842501 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52907)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=842501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mr. and Mrs. Doran have a genetic history such that the probability that a child being born <BR>\n" );
document.write( "to them with a certain trait is 4/5. If they have seven children, what is the probability <BR>\n" );
document.write( "that exactly one of their seven children will have that trait? <BR>\n" );
document.write( "Round your answer to the nearest thousandth.<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "It is a binomial distribution problem with n = 7 trials, probability p = 4/5 of a \"success\"\r\n" );
document.write( "at each individual trial and k= exactly one success.\r\n" );
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document.write( "Use the standard formula for the probability of such event\r\n" );
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document.write( "    P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5B7%5D%5E1%2Ap%2A%281-p%29%5E6 ALIGN=MIDDLE  ALT=\"C%5B7%5D%5E1%2Ap%2A%281-p%29%5E6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2A%284%2F5%29%2A%281%2F5%29%5E6 ALIGN=MIDDLE  ALT=\"7%2A%284%2F5%29%2A%281%2F5%29%5E6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 0.000358   (rounded).   <U>ANSWER</U>\r\n" );
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document.write( "You may round further as you need.\r\n" );
document.write( "</PRE>\r<BR>\n" );
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document.write( "Solved.\r<BR>\n" );
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document.write( "To see many other similar &nbsp;(and different) &nbsp;solved problems, &nbsp;look into the lessons\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Solving-problems-on-Binomial-distribution-manually.lesson>Simple and simplest probability problems on Binomial distribution</A> \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Typical-binomial-distribution-probability-problems.lesson>Typical binomial distribution probability problems</A> \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Learn the entire subject from there.\r<BR>\n" );
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