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Mathematics, 10.09.2019 23:30 robertabenavidesq

Box 1 contains 1400 bulbs of which 15% are defective. box 2 contains 500 bulbs of which 9% are defective. two bulbs are picked from a randomly selected box with equal probability for both box 1 and box 2. (both bulbs are from the same box.)

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Box 1 contains 1400 bulbs of which 15% are defective. box 2 contains 500 bulbs of which 9% are defec...
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