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Q2 In a box of 10 light bulbs, there are 3 defective bulbs. An inspector examines 6 bulbs, which are selected at random and without

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Q2 In a box of 10 light bulbs, there are 3 defective bulbs. An inspector examines 6 bulbs, which are selected at random and without replacement. (a) Find the probability of at least one defective bulb among the 6 bulbs. (b) How many bulbs should be examined so that the probability of finding at least one defective bulb exceeds 0.75

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