document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427858>Question 427858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8- When an experiment is performed, one and only one of the events A&#8321;, A&#8322; and A&#8323; will occur. Find P (A&#8321;), P (A&#8322;) and P (A&#8323;) under each of the following assumptions:\r<BR>\n" );
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document.write( "a)	P(A&#8321;) = P(A&#8322;) = P(A&#8323;)\r<BR>\n" );
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document.write( "b)	P(A&#8321;) = P(A&#8322;) and  P(A&#8323;) = 1/2\r<BR>\n" );
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document.write( "c)	P(A&#8321;) = 2P(A&#8322;) = 3P(A&#8323;) <BR>\n" );
document.write( "pleeeeease .. need ur help ..!<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 #297495 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297495\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Here these events are mutually exclusive events..\r<BR>\n" );
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document.write( "a)\r<BR>\n" );
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document.write( "P(A1) = P(A2) = P(A3)\r<BR>\n" );
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document.write( "so, P(A1) = P(A2) = P(A3)= 1/3\r<BR>\n" );
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document.write( "b)<BR>\n" );
document.write( "P(A1) + P(A2) = 1 - P(A3) = 1-1/2 = 1/2\r<BR>\n" );
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document.write( "so, P(A1) = P(A2) = 1/4\r<BR>\n" );
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document.write( "c)<BR>\n" );
document.write( "P(A1) = 2 P(A2) = 3 P(A3)\r<BR>\n" );
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document.write( "we can write, P(A2)= P(A1)/2\r<BR>\n" );
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document.write( "P(A3) = P(A1)/3\r<BR>\n" );
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document.write( "now,  P(A1)+ P(A1)/2+ P(A1)/3 = 1\r<BR>\n" );
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document.write( "=> 11/6 * P(A1) = 1\r<BR>\n" );
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document.write( "=> P(A1) = 6/11\r<BR>\n" );
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document.write( "using value of P(A1) we find...\r<BR>\n" );
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document.write( "P(A2) = 3/11\r<BR>\n" );
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document.write( "P(A3) = 2/11\r<BR>\n" );
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