document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108467>Question 108467</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, can you help me with this question as i've been figuring out for long and still could not get the answer:\r<BR>\n" );
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document.write( "In the coming school holiday,the probability for Dave to visit his brother in Ireland is 3/5 and the probability of him going on island vacation is 2/3. Calculate the probability that Dave<BR>\n" );
document.write( "a) will not visit his brother nor on an island vacation<BR>\n" );
document.write( "b) will only do one activity.\r<BR>\n" );
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document.write( "Pls help me, i'm doing my o levels next week thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79132 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=79132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In the coming school holiday,the probability for Dave to visit his brother in Ireland (A)is 3/5 <BR>\n" );
document.write( "and the probability of him going on island vacation (B) is 2/3. <BR>\n" );
document.write( "Calculate the probability that Dave<BR>\n" );
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document.write( "a) will not visit his brother nor on an island vacation<BR>\n" );
document.write( "P(A' and B') = P(A')*P(B') = (2/5)*(1/3) = 2/15<BR>\n" );
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document.write( "b) will only do one activity.<BR>\n" );
document.write( "P(A and B) = P(A)*P(B) = (3/5)(2/3)= 2/5<BR>\n" );
document.write( "P(A' and B') = 2/15 (from part a above)<BR>\n" );
document.write( "Therefore: P(A or B exclusively) = 1-[2/5 + 2/15] = 1-(40/75)= 1-8/15= 7/15<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
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