Solution of problem N1082 Laplace probability theory

Solution of problem N1082 Laplace probability theory

1082. The workshop for warranty repair of TV sets serves 2000 subscribers. The probability that the purchased TV will require a warranty repair is 0.3. Assuming that the event, the probability of which is 0.9973, reliably, find the boundaries of the number of televisions that will require warranty repair.

Additional information:

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