808. 200 enterprises are connected to the main water pipeline, each of which with a probability of 0.8 at the moment, selects water. Determine the likelihood that at this point in time, water abstraction is not less than 130 and no more than 180 enterprises. Determine the most probable number and probability of the most probable number of enterprises producing water at a given time.

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