document.write( "Question 1110066: This quarter, there is a 50% chance that Jason will pass accounting, a 60% chance the he will pass english, and 80% chance that he will pass at least one of these two courses. What is the probability that he will pass both accounting and english? \n" ); document.write( "
Algebra.Com's Answer #725068 by ikleyn(52786)\"\" \"About 
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document.write( "Use the general formula of the Probability theory \r\n" );
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document.write( "    P(Accounting OR English)) = P(Acc) + P(Eng) - P(Acc AND English).  \r\n" );
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document.write( "With the given data, this equation / (equality) takes the form\r\n" );
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document.write( "      80%                     = 50%    +  60%   - P(Acc AND Eng)   ====>  (it implies that)\r\n" );
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document.write( "    P(Acc AND Eng) = 50% + 60% - 80% = 30%.\r\n" );
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document.write( "Answer.  The probability that he will pass both Accounting and English is 30%, under the given conditions.\r\n" );
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