Question

20. The probability distribution of a random variable x is given below:
X:
1
2
4
5
6
P:
0.15
0.25
0.20
0.30
0.10
What is the standard deviation of x?
(b) 1.56
(a) 1.49
(c) 1.69
(d) 1.72​

Answer 1

Answer:

Answer option c 1.69

X=1.69

Step-by-step explanation:

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