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A factory produces light bulbs, and the probability of a bulb being defective is 0 . 0 5 . If a box contains 2 0
A factory produces light bulbs, and the probability of a bulb being defective is If a box contains bulbs:
What is the probability that none of the bulbs are defective?
Determine the mean and standard deviation of defective bulbs in five randomly selected boxes.
Calculate the zscore for a box containing defective bulbs.
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