Решение задачи N341 теория вероятностей Лапласа

341. It is known that, on average, 64% of stream students perform test work on time. What is the likelihood that of the 100 stream students will be delayed by the submission of test papers:
A) 30 students;
B) from 30 to 40 students?

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