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【Daily Question】Utilities - Water Supply and Drainage - 20200404

2020-04-04View Original

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This post was last edited by hesonchang214 on 2020-4-6 at 15:31. A 22-story residential building is equipped with a drinking water supply system; there are 8 households per floor, and each household is considered to consist of 3.5 people. The water consumption quota is 6 L per person per day. If α is set to 0.8, and if each household is equipped with 2 drinking water faucets, then what is the probability that these faucets will be in use throughout the entire building? A.0.010 B.0.015 C.0.020 D.0.030 Answer: D

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