Question

(0) 1/4
6
x :
20. The probability distribution of a random variable x is given below:
1
2
4 5
P:
0.15 0.25 0.20 0.30 0.10
What is the standard deviation of x?
(a) 1.49
(b) 1.56
(c) 1.69
(d) 1.72​

Answer 1

Answer:

C

Step-by-step explanation:

Hope that helps

Please mark me as the brainliest and say thanks.