document.write( "Question 1176350: A and B are independent events. P(B) = 0.5 and P(A AND B) = 0.3. Find P(A).\r
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Algebra.Com's Answer #803079 by ikleyn(52776) $\"\"$ $\"About$

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document.write( "Since  P(A and B) = 0.5  and since  the events A and B are independent,\r\n" );
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document.write( "    P(A and B) = P(A)*P(B) = 0.3.\r\n" );
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document.write( "In the last equality, substitute  P(B) = 0.5.   You will get\r\n" );
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document.write( "    P(A)*0.5 = 0.3.\r\n" );
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document.write( "It implies  P(A) =  = 0.6.    ANSWER\r\n" );
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