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?
(a) 1.49
(b) 1.56
(c) 1.69
(d) 1.72 ​

Answer 1

Answer:

A) 1.49

Step-by-step explanation:

The probability of the day I was just wondering if you want to be a good day at work

Answer 2

Step-by-step explanation:

hopefully this will help you