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 ...

HBSE Class 12 Syllabus 2024-25: The Haryana Board syllabus has released the syllabus for all the subjects for the academic year 2024-25. The syllabus is your guide to help you for future study like ...

The Central Board of Secondary Education (CBSE) holds the term-end board exams for class 12, which is considered among the top and hardest exams in the country. It’s the most important test in a ...