Stats 200 Common final exam Question 6

Aug 7th, 2016
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A sample of 10 LED light bulbs consists of 1 defective and 9 good light bulbs. A quality control technician wants to randomly select two of the light bulbs for inspection. Find the probability that the first selected light bulb is good and the second light bulb is also good. (Show all work. Just the answer, without supporting work, will receive no credit.) (a) Assuming the two random selections are made without replacement. (b) Assuming the two random selections are made with replacement.

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A sample of 10 LED light bulbs consists of 1 defective and 9 good light bulbs. A quality controltechnician wants to randomly select two of the light bulbs for inspection. Find the probabilitythat the first selected light bulb is good and the second light bulb is also good. (Show all work.Just the

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