document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44523>Question 44523</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There is one more that I can't get.\r<BR>\n" );
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document.write( "Roll a pair of dice 20 times and count the number of times you get a 7 and the number of times you get an 9. \r<BR>\n" );
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document.write( "I did this but I can't figure out the following: \r<BR>\n" );
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document.write( "a. Compute Pe(7)<BR>\n" );
document.write( "b  Compute Pe(8)<BR>\n" );
document.write( "c  Compute Pe (7 or 8)<BR>\n" );
document.write( "d  Compute Pe (7) + pe (8)<BR>\n" );
document.write( "e  Explain why the results of parts c and d are as they are. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #29411 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=29411\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is one more that I can't get.<BR>\n" );
document.write( "Roll a pair of dice<BR>\n" );
document.write( "THERE ARE 6 POSSIBILITIES ON ONE DICE AND ANOTHER 6 ON THE SECOND DICE<BR>\n" );
document.write( "HENCE TOTAL NUMBER OF POSSIBILITIES=6*6=36<BR>\n" );
document.write( "WE CAN GET 7 IN THE FOLLOWING WAYS<BR>\n" );
document.write( "1+6,2+5,3+4,4+3,5+2,6+1....TOTAL..6 WAYS<BR>\n" );
document.write( "HENCE P7=6/36=1/6<BR>\n" );
document.write( "SIMILARLY FOR 9<BR>\n" );
document.write( "3+6,4+5,5+4,6+3.....3 WAYS<BR>\n" );
document.write( "P9=3/36=1/12<BR>\n" );
document.write( " 20 times and count the number of times you get a 7 and the number of times you get an 9.....HENCE WE EXPECT THAT IN 20 TRIALS...<BR>\n" );
document.write( "7 TO TURN UP IN 20*1/6 TIMES=3 TO 4 TIMES TIMES<BR>\n" );
document.write( "9 TO TURN UP IN 20*1/12 TIMES =1 TO 2 TIMES<BR>\n" );
document.write( "8 TO TURN UP IN [2+6,3+5,4+4,5+3,6+2=5 WAYS]20*5/36=2 TO 3 TIMES<BR>\n" );
document.write( "I did this but I can't figure out the following:<BR>\n" );
document.write( "a. Compute Pe(7)=20*1/6<BR>\n" );
document.write( "b Compute Pe(8)=20*5/36<BR>\n" );
document.write( "c Compute Pe (7 or 8)20*{1/6 +5/36}=20*11/36<BR>\n" );
document.write( "d Compute Pe (7) + pe (8)20*11/36<BR>\n" );
document.write( "e Explain why the results of parts c and d are as they are.<BR>\n" );
document.write( "OR IS INCLUSIVE OR EITHER 7 OR 8 OR BOTH </SPAN>\n" );
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