document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=371326>Question 371326</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The probability of a driver under the age of 20 being involved in an accident is 15%. An insurance company records the number of teenage drivers it takes until one is involved in an accident.<BR>\n" );
document.write( "A) What is the probability that the company finds the first accident on the 4th driver?<BR>\n" );
document.write( "B) What is the probability that it takes more than 5 teenage drivers to see the first accident. <BR>\n" );
document.write( "C) What is the probability that it will take less than 4 drivers to see the first accident? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #264757 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=264757\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Geometric Probability Function = f(x)=p(1-p)^(x-1)<BR>\n" );
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document.write( "A).15(.85)^3=.0921<BR>\n" );
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document.write( "C)<BR>\n" );
document.write( "1 driver .15<BR>\n" );
document.write( "2 \"\"\"\"\"\" .1275<BR>\n" );
document.write( "3 \"\"\"\"\"\" .1084<BR>\n" );
document.write( "----------------add<BR>\n" );
document.write( "=======>.3859<BR>\n" );
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document.write( "B) <BR>\n" );
document.write( ".3859+.0921=.4780<BR>\n" );
document.write( "1-.4780=.5220<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );