Q8
In the following table, x is a discrete random variable and p(x) is the probability density. The standard deviation of x is x 1 2 3 p(x) 0.3 0.6 0.1
In the following table, x is a discrete random variable and p(x) is the probability density. The standard deviation of x is
| x | 1 | 2 | 3 |
| p(x) | 0.3 | 0.6 | 0.1 |
A.
0.18
B.
0.36
C.
0.54
D.
0.6
AnswerAnswer: Option D
Solution
Answer: Option D
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