document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=393925>Question 393925</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 12.	First class mail is delivered within two days 95% of the time.  Six letters are randomly sent to different locations.<BR>\n" );
document.write( "a.	What is the probability that all 6 arrive within 2 days?<BR>\n" );
document.write( "b.	What is the probability that exactly 5 arrive within 2 days?<BR>\n" );
document.write( "c.	What is the mean number of letters that will arrive within 2 days?<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 #280476 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=280476\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.95%29%5E6++=0.735 ALIGN=MIDDLE  ALT=\"%280.95%29%5E6++=0.735\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to three decimal places.\r<BR>\n" );
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document.write( "b. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6C5%2A%280.95%29%5E5%2A%280.05%29%5E1+=+0.2321 ALIGN=MIDDLE  ALT=\"6C5%2A%280.95%29%5E5%2A%280.05%29%5E1+=+0.2321\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to 4 decimal places.\r<BR>\n" );
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document.write( "c. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu+=++n%2Ap+=+6%2A%280.95%29+=+5.7 ALIGN=MIDDLE  ALT=\"mu+=++n%2Ap+=+6%2A%280.95%29+=+5.7\"   DISABLED_style= \"max-width:90%; height:auto;\" > letters </SPAN>\n" );
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