Решение задачи N2706 теория вероятностей Пуассона

2706. In the case of mass production of electronic components, the probability of a marriage is 0.002. Determine the probability that in a batch of 2000 elements there will be: a) exactly 3 elements; b) no more than 3 elements.

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