In an engineering examination, a student is considered to have failed, secured second less than 45%, between 45% and 60%, between 60% and 75%, and above 75% respectively. In a particular year, 10% of the students failed the examination and 5% got distinctions. Find the percentage of students who have got second class.(ude Normal distribution)

Answer rating: 100% (QA)

Solution Total students 100 as each of the student will receive either 1st class or 2 ... View the full answer