Q. 38 In the following table, x is a discrete random variable and 
is the probability
density. The standard deviation of x is
(A) 0.18
(B) 0.36
(C) 0.54
(D) 0.6
Answer: (D)
Explanation:
Q. 38 In the following table, x is a discrete random variable and is the probability
density. The standard deviation of x is
(A) 0.18
(B) 0.36
(C) 0.54
(D) 0.6
Answer: (D)
Explanation:
