document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1121572>Question 1121572</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A journal polled its readers to determine the proportion of wives who, if given a second chance, would marry their husband again.<BR>\n" );
document.write( "According to the responses from the survey, 72% of wives would marry their husbands again.\r<BR>\n" );
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document.write( "Suppose a random and independent sample of 5 wives was collected. Define the random variable X as the number of these wives who would marry their husbands again. Use the binomial distribution to find the probability that at most 4 of the wives sampled said they would marry their husbands again.\r<BR>\n" );
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document.write( "Select one:<BR>\n" );
document.write( "a. 0.998279<BR>\n" );
document.write( "b. 0.806508<BR>\n" );
document.write( "c. 0.376234<BR>\n" );
document.write( "d. 0.193492\r<BR>\n" );
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document.write( "Thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #737490 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=737490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"At most, 4\" is the same result as 1-P(5), i.e. 1 minus the chance that all 5 said yes. Which makes the math simpler.\r<BR>\n" );
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document.write( "1-(.72)^5=1-.19349= .806508  (b) </SPAN>\n" );
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