document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=410122>Question 410122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Approximately 18% of the calls to an airline reservation phone line result in a reservation being made.\r<BR>\n" );
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document.write( "Suppose an operator handles 15 calls. What is the probability that at least one call results in a reservation being made? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288486 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=288486\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Approximately 18% of the calls to an airline reservation phone line result in a reservation being made. <BR>\n" );
document.write( "Suppose an operator handles 15 calls. What is the probability that at least one call results in a reservation being made?<BR>\n" );
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document.write( "P(at least one) = 1 - P(none)<BR>\n" );
document.write( "P(no reservation) = 0.82<BR>\n" );
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document.write( "Binomial Problem with n = 15 and p = 0.18<BR>\n" );
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document.write( "P(at least one) = 1 - (0.82)^15<BR>\n" );
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document.write( "= 1 - 0.051<BR>\n" );
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document.write( "= 0.949<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============== </SPAN>\n" );
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