Mathematics, 20.04.2021 17:40 kierraivey
Five good light bulbs and two defective ones were mixed up unknowingly. To identify the defective ones for disposal, the bulbs are tested one one by one. (a) If both defective ones are identified in the testing of the second one, what is the probability of such a ‘lucky’ break? (b) If three bulbs had to be tested to get the two defective ones, what is the probability of such an event.
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Five good light bulbs and two defective ones were mixed up unknowingly. To identify the defective on...
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