SOLUTION: Of Every 4000bolts produced in a factory, 800 of them are faulty what is the probability of a bolt chosen at random NOT being faulty ?

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Question 276766: Of Every 4000bolts produced in a factory, 800 of them are faulty what is the probability of a bolt chosen at random NOT being faulty ?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
800/4,000=.2 or 20% are faulty
1-.2=8 or 80% probability it is NOT faulty.