GATE Mechanical Engineering (ME) 2014 Shift 1 Solved Paper
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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 |
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