document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577988>Question 577988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question:<BR>\n" );
document.write( "suppose that the probability that a student will pass a test is four-fifths, and the the students taking the test are all interdependent of one another.  what is the probability that none of the four students will pass the test?<BR>\n" );
document.write( "Answer:  .00160 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370448 by </B><A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><B>dfrazzetto(283)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><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=dfrazzetto><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "if p (passing) = 4/5 for each student then p (not passing) = 1-4/5 = 1/5\r<BR>\n" );
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document.write( "Since all events are independent, then:\r<BR>\n" );
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document.write( "p (4 students not passing) = (1/5)^4 = (1/5)(1/5)(1/5)(1/5) = 0.0016\r<BR>\n" );
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