Решение задачи N353 теория вероятностей Лапласа

353. Approximately 70% of students successfully complete the test of probability theory. What is the probability that of the 200 students the work will be successfully carried out:
A) 150 students; B) at least 100 students; C) no more than 150 students?

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