SOLUTION: electra inc. manufactures light bulbs. they found that in a pack of 320 bulbs, 12 are defective. if a bulb is randomly picked from the above pack, what is the probability that its

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Question 872963: electra inc. manufactures light bulbs. they found that in a pack of 320 bulbs, 12 are defective. if a bulb is randomly picked from the above pack, what is the probability that its is a defective one?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p = 12/320 = 3/80
P(choosing a def one) = 3/80