document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71357>Question 71357</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey by the Canadian Frequent Flyers association revealed that 60% of its members made independent airline reservations last year.  If two members are selected at random, what is the probability that,<BR>\n" );
document.write( "a)Both made reservations last year?<BR>\n" );
document.write( "b)at least one made reservations last year?<BR>\n" );
document.write( "c)only one made a reservation last year? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51144 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=51144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 60% of its members made independent airline reservations last year.  If two members are selected at random, what is the probability that,<BR>\n" );
document.write( "a)Both made reservations last year?<BR>\n" );
document.write( "Prob = 0.6*0.6 = 0.36<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "b)at least one made reservations last year?<BR>\n" );
document.write( "P(at least one) = 1- P(none made a reservation) <BR>\n" );
document.write( "= 1- 0.4*0.4 <BR>\n" );
document.write( "= 1 - 0.16<BR>\n" );
document.write( "=0.84<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "c)only one made a reservation last year?<BR>\n" );
document.write( "Prob = 2C1 (0.6)(0.4) <BR>\n" );
document.write( "=2*0.24<BR>\n" );
document.write( "=0.48<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );