It is known that a box of 600 electric bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. What is the probablity that it is a non-defective bulb?
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in the box there are 600 bulbs In which there are 588 Non defective bulbs.
therefore probability of getting Non Defective bulbs is 588/600.
therefore probability of getting Non Defective bulbs is 588/600.
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