document.write( "Question 1163311: One bag contains three balls of red color and four balls of black color and second bag contains two balls of red color and three of black color. If one bag is chosen at random and a ball is drawn, what is the the probability that it is red? \n" ); document.write( "

Algebra.Com's Answer #787369 by ikleyn(52862) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "The probability is\r
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document.write( "    P = (1/2)*P(1st bag; red) + (1/2)*P(2nd bag; red) =  +  =  +  = \r\n" );
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document.write( "                                                      =  +  =  +  =  = .        ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "All formulas in my post are SELF-EXPLANATORY.\r
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