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Satisfactory and Unsatisfactory Production Probability

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At a factory that produces pistons for cars, Machine 1 produced 414 satisfactory pistons and 276 unsatisfactory pistons today. Machine 2 produced 420 satisfactory pistons and 180 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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The expert examines satisfactory and unsatisfactory production probability.

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Probability of the piston chosen from Machine 1 is satisfactory = 414/(414+276) = ...

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  • MPhil, Institute of Advanced Studies
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