Explain Solution R.D. Sharma Class 12 Chapter 31Mean and Variance of a Random Variable Exercise 31.2 Question 20 maths Textbook Solution.
Answer:
Hint:
Mean
Given:
A die has thrown
Solution:
CBSE Results 2024: Last 9 years’ CBSE Class 10, 12 result date and time; links to check score
CBSE Board exams twice a year from 2025, no plan for semesters: MoE
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
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