document.write( "Question 1143700: a factory that produces pistons for cars, Machine 1 produced 392 satisfactory pistons and 98 unsatisfactory pistons today. Machine 2 produced 480 satisfactory pistons and 120 unsatisfactory pistons today. Suppose that one piston from Machine 1 and one piston from Machine 2 are chosen at random from today's batch. What is the probability that the piston chosen from Machine 1 is satisfactory and the piston chosen from Machine 2 is unsatisfactory ?
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Algebra.Com's Answer #764578 by ikleyn(52794) $\"\"$ $\"About$

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document.write( "(1)  The probability to randomly select one satisfactory piston from Machine 1 production is   =  = .\r\n" );
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document.write( "(2)  The probability to randomly select one unsatisfactory piston from Machine 2 production is   =  = .\r\n" );
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document.write( "(3)  Notice that the production sets from Machine 1 and from Machine 2 are disjoint sets.\r\n" );
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document.write( "     It implies that the final probability under the question is the product of particular probabilities\r\n" );
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document.write( "         P = . =  = 0.16 = 16%.    ANSWER\r\n" );
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