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in Class XII Maths by Expert (8.4k points)
A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10. From a single box, find the probability that
(i) none of the bulbs is defective
(ii) exactly two bulbs are defective
(iii) more than 8 bulbs work properly

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1 Answer

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by Expert (11.2k points)

Let X is the random variable which denotes that a bulb is defective .

 

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