Apply arithmetic mean of frequency distribution to find the expected value of a random variable The expected value of discrete random variable as summation of product of discrete random variable by ...

CBSE has issued the 2026 tentative datesheet for class 10 & 12 board exams. The students of Class 10 and Class 12 can start preparing accordingly. The datesheet is the guide for the students to ...

CBSE’s new rules could change your exam results! Here are all the updates in one guide New CBSE rules: Dual exams, skill electives and grading updates – Complete guide for students & parents ...