Solution of problem N4617 Poisson probability theory

Solution of problem N4617 Poisson probability theory

4617. The equipment contains 2000 equally reliable elements, the probability of failure for each of which is p = 0.0005. What is the probability of hardware failure if it occurs when at least one of the elements fails?

Additional information:

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

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