Решение задачи N2316 теория вероятностей Лапласа

2316. On average, 30% of students take an exam in one discipline for grades "good" and "excellent." What is the likelihood that of 100 people such assessments will be received; a) 40 people; b) from 20 to 40 people. Find the most probable number of students out of 100 who successfully passed the exam.

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