Solution of problem N806 Laplace probability theory

Solution of problem N806 Laplace probability theory

806. The telephone cable consists of 400 veins. How likely is this cable to be connected to the telephone network of 395 subscribers, if each subscriber needs one vein to connect each subscriber, and the probability that it is damaged is 0.0125?

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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