Explain Solution R.D. Sharma Class 12 Chapter 31Mean and Variance of a Random Variable Exercise 31.2 Question 22 maths Textbook Solution.
Answer:
(i) (ii) Mean (iii) Variance
Hint:
Given:
Solution:
(i) We know that
(ii) Mean
CBSE Results 2024: Last 9 years’ CBSE Class 10, 12 result date and time; links to check score
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