document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1196675>Question 1196675</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ATTACHED TABLE: https://imagizer.imageshack.com/img924/2894/DRMZfW.jpg\r<BR>\n" );
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document.write( "A company must decide which of two delivery services it will contract with. During a recent trial​ period, the company shipped numerous packages with each service and kept track of how often deliveries did not arrive on time. <BR>\n" );
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document.write( "    Compare the two​ services' overall percentage of late deliveries.<BR>\n" );
document.write( "​Overall, Company A is late _of the time. Company B is late _ of the time.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #829669 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=829669\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> overall, company A has 13 late regular deliveries and 15 late overnight deliveries for a total of 28.<BR>\n" );
document.write( "divide that by 700 total deliveries = 28/700 = .04 = 4%.<BR>\n" );
document.write( "overall, company B has 2 late regular deliveries and 28 late overnight deliveries for a total of 30.<BR>\n" );
document.write( "divide that by 700 total deliveries = 30/700 = .0429 = 4.29%.<BR>\n" );
document.write( "4% for company A and 4.29% for company B are your answers if you are just looking for overall later percent.<BR>\n" );
document.write( "those figures would indicate that company A is more reliable overall.<BR>\n" );
document.write( "the results are, however, skewed by the fact that you are not comparing similar numbers of deliveries for regular and for overnight.<BR>\n" );
document.write( "if you compare percent late for regular and percent late for overnight separately, you will find that company A is more reliable in both categories.<BR>\n" );
document.write( "for regular, company A late percent = 13/500 = 2.6% while company B late percent = 2/200 = 1% indicating company B is more reliable.<BR>\n" );
document.write( "for overnight, company A late percent = 15/200 = 7.5% while company B late percent = 28/500 = 5.6% indicating company B is more reliable.<BR>\n" );
document.write( "the solution you were asked to obtain, however, is:<BR>\n" );
document.write( "Overall, Company A is late 4% of the time and Company B is late 4.29% of the time.\r<BR>\n" );
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