Решение задачи N4210 теория вероятностей Лапласа

4210. 45% of first-year students, on average, perform test work on time. What is the likelihood that out of 65 students in the course will delay the completion of the a) 25 students; b) from 25 to 45 students?

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