Physics, 10.03.2020 22:44 DnakMeme6e7272727272
A machine produces photo detectors in pairs. Tests show that the first photo detector is acceptable with probability 3/5. When the first photo detector is acceptable, the second photo detector is acceptable with probability 4/5. Otherwise, if the first photo detector is defective, the second photo detector is acceptable with probability 2/5.Use the tree diagram to answer the following questions:
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