document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=907853>Question 907853</A>: <I><SPAN STYLE=\"word-break: break-all;\"> These questions were just solved a few minutes ago however the answers are a little different. \r<BR>\n" );
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document.write( "What is the probability that two of the students was born in July?<BR>\n" );
document.write( "The answer in my book says 11/576 however when I do (1/12) x (1/12) x (11/12) it equals to 11/1728\r<BR>\n" );
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document.write( "What is the probability that one of the students was born in July?  When I do (1/12) x (11/12) x (11/12) I get 121/1728.<BR>\n" );
document.write( "The answer in my book says 121/576.\r<BR>\n" );
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document.write( "Are the answers wrong (because some answers in my book are wrong)  or has there been a miscalculation?\r<BR>\n" );
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document.write( "I appreciate the help :) Sorry if confusing </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #550673 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=550673\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You're not taking into account different combinations.<BR>\n" );
document.write( "I'm assuming the problem is something like given 3 students. <BR>\n" );
document.write( "a) What's the probability two were born in July?<BR>\n" );
document.write( "b) What's the probability one was born in July?<BR>\n" );
document.write( "Both questions have the same issue. <BR>\n" );
document.write( "When you look at the possible outcomes. <BR>\n" );
document.write( "J-Born in July<BR>\n" );
document.write( "N-Not born in July<BR>\n" );
document.write( "JJN<BR>\n" );
document.write( "JNJ<BR>\n" );
document.write( "NJJ<BR>\n" );
document.write( "There are three possible outcomes where two are born in July, you calculated only one. The probabilities are identical for each case.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=%281%2F12%29%281%2F12%29%2811%2F12%29%2B%281%2F12%29%2811%2F12%29%281%2F12%29%2B%2811%2F12%29%281%2F12%29%281%2F12%29=33%2F1728=11%2F576 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Same issue for the second part. Notice that the book solution is 3 times your solution.<BR>\n" );
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