Class 12-science RD SHARMA Solutions Maths Chapter 32 - Mean and variance of a random variable
Ex. 32.1
Ex. 32.2
MCQ
Ex. 32VSAQ
Mean and variance of a random variable Exercise Ex. 32.1
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16
Solution 17
Solution 18
Solution 19
Solution 20
Solution 21
Solution 22
Solution 23
Solution 24
Solution 25
Solution 26
Solution 27
Solution 28
Solution 29
Mean and variance of a random variable Exercise Ex. 32.2
Solution 1(i)
Solution 1(ii)
Solution 1(iii)
Solution 1(iv)
Solution 1(v)
Solution 1(vi)
Solution 1(vii)
Solution 1(viii)
Solution 1(ix)
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16
Solution 17
Solution 18
Solution 19
Mean and variance of a random variable Exercise MCQ
Solution 1
Correct option: (d)
Solution 2
Correct option: (b)
Solution 3
Correct option: (d)
Solution 4
Correct option: (a)
Solution 5
Correct option: (d)
Solution 6
Correct option: (c)
NOTE: Question is modified.
Solution 7
Correct option: (d)
Solution 8
Correct option: (d)
Solution 9
Correct option: (c)
Variance of discrete random variable is always E(X2) - (E(X))2
Mean and variance of a random variable Exercise Ex. 32VSAQ
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
