Solution of problem N4257 Bernoulli probability theory

Solution of problem N4257 Bernoulli probability theory

4257. It is known that 60% of a large consignment of goods in identical packages is made up of goods of the 1st grade. Find the most probable number of units of the 1st grade product among the five units selected from the total mass of the product and calculate the probability corresponding to this event.

Additional information:

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