document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=580333>Question 580333</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this question : \r<BR>\n" );
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document.write( "A and B are independent events. Find the missing probability :\r<BR>\n" );
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document.write( "P(A)= 3/4, P(A and B) = 1/2. find P(B) </SPAN>\n" );
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document.write( "For independent events:\r<BR>\n" );
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document.write( "P(A and B) = P(A)*P(B) so:\r<BR>\n" );
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document.write( "1/2 = (3/4)P(B)<BR>\n" );
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document.write( "P(B) = (1/2) / (3/4) = 4/6 = 2/3\r<BR>\n" );
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document.write( " </SPAN>\n" );
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