document.write( "Question 941029: The letter A, B, C and D are written on cards and placed in a box. A card is drawn out, the letter on it noted down, and the card is placed back in the box. If this is done twice what is the probability of:\r
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document.write( "a. not getting a B?\r
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document.write( "b. not getting a C? \n" );
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Algebra.Com's Answer #573629 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Look at all of the possible outcomes \n" ); document.write( "AA AB AC AD \n" ); document.write( "BA BB BC BD \n" ); document.write( "CA CB CC CD \n" ); document.write( "DA DB DC DD \n" ); document.write( "There are 16 possible outcomes. \n" ); document.write( "a)There are 9 outcomes without a B. \n" ); document.write( " \n" ); document.write( "b)There are 9 outcomes without a C. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |