Solution of problem N1864 Laplace probability theory

Solution of problem N1864 Laplace probability theory

1864. The probability of failure of each of 900 independently operating elements of a node during a given time is 0.1. Find the probability that after the expiration of a given time, 800 elements will work; 800 to 850 elements will work.

Additional information:

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

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