Question: Determine the mean, the variance and the standard deviation of the following discrete distribution. x .... P(x) 1 ..... .238 2 ..... .290 3 .....

Determine the mean, the variance and the standard deviation of the following discrete distribution.
x .... P(x)
1 ..... .238
2 ..... .290
3 ..... .177
4 ..... .158
5 ..... .137

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