Objective Knowledge Check Question 1 At a factory that produces pistons for cars

Question

Objective Knowledge Check Question 1 At a factory that produces pistons for cars, Machine 1 preduced 495 satisfactory pistons and 495 unsatisfactery pistons today. Machine 2 produced 1o saisfactory pistons and 90 unsatisfactery pistens today Suppose that one piston from Machine I and one piston from Machine 2 are chosen at random frem teday's batch. Whut is the prebability that the piton chosen from Machine 1 is unsatisfectery and the piston eheseh from Me 2 is aisfactory De hot round your answer necessary, consutInt of fom

Explanation / Answer

P(machine 1 piston unsatisfactory and machine 2 piston is satisfactory)

=(495/(495+495))*(810/(810+90))=0.45

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