Solution of problem N1074 Laplace probability theory

Solution of problem N1074 Laplace probability theory

1074. The company has 2,400 units. Each unit includes a certain part, the probability of failure of which during the time t is equal to 1/6. Proceeding from this, the procurement department procured spare spare parts of this type for a time t. Find the probability that this number of spare parts will ensure the uninterrupted operation of all units during the time t.

Additional information:

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