AP EAMCET Engineering 2018 Apr 23 Shift 1 Paper
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Question : 39 of 160
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A random variable X has the following probability distribution
The variance of this random variable is
| X = | - 2 | - 1 | 0 | 1 | 2 | ||||||
| P (X = | | k | k | |
The variance of this random variable is
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