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Social Science2 Its known that there are 10 faulty light bulbs among a shipment of 100 light bulbs. If thetesting department randomly chooses 5 light bulbs from the shipment to test, what's theprobability that there is at least one faulty light bulb among the 5 chosen to be tested?
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2 Its known that there are 10 faulty light bulbs among a shipment of 100 light bulbs. If the testing department randomly chooses 5 light bulbs from the shipment to test, what's the probability that there is at least one faulty light bulb among the 5 chosen to be tested?
Expert Answer
It is given that there are 100 light bulbs (n), and one shipment has contained 10 faulty light’ bulbs.
The probability that a shipment has a faulty light’ bulbs (p) is:
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Number of faluty bulbs in a shipment Total number of bulbs in a shipment 10 100 0.10
Consider X to be a random variable defined as faulty light bulb.
There are 5 b...
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х - Вiпоmial (n, p) х - Вiпоmial (5, 0. 10)
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