Решение задачи N569 теория вероятностей Лапласа

569. It is known that, on average, 80% of seedlings, if taken root, then successfully grows. 400 plants were planted. What is the likelihood that normally grow at least 250 seedlings. Find the probability of the most probable number of successful seedlings among 400 specimens.

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