document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=336208>Question 336208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a customer enters a supermarket. the probability that they will buy bread is 0.6, the probability that they will buy milk is 0.5, and the probability that they will buy both is 0.3. What is the probability that they will buy either bread or milk or both? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #241075 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=241075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(One or other or both) = P(Buys Bread) + P(Buys Milk) - P(Buys Both)\r<BR>\n" );
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document.write( "P(One or other or both) = 0.6 + 0.5 - 0.3\r<BR>\n" );
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document.write( "P(One or other or both) = 1.1 - 0.3\r<BR>\n" );
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document.write( "P(One or other or both) = 0.8\r<BR>\n" );
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document.write( "So the probability of buying one or the other, or both, is 0.8 (which is an 80% chance) </SPAN>\n" );
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