GATE Mechanical Engineering (ME) 2014 Shift 1 Solved Paper

© examsiri.com
Question : 38 of 65
 
Marks: +1, -0
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
Go to Question: