December 4th, 2011 
Question by Amanda: A foreman for an insertion-casting house admits that on 33% of his shift, he forgets to closed away the intromission?
A foreman for an injection-casting house admits that on 33% of his shift, he forgets to shut off the intromission assembly on his formation. This cause the assembly to overheat, increasing the chance that a defective casting will be produced during the early forenoon tally from 5% to 20%. The works director randomly selects a casting from the early morn tally and discovers it is defective. What is the chance that the foreman forgot to shut off the assembly the previous dark?
Best response:
Answer by M3
F = forgetsD = defectiveP(F & D) = 33% * 20% = 6.6% = AP(F ‘ & D) = 67% * 5% = 3.35%P(D) = amount of the subdivision = 9.95% = BP(F | D) = A/B= .6633————
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