# Question

Determine the mean, the variance and the standard deviation of the following discrete distribution.

x ..... P(x)

0 ..... .103

1 ..... .118

2 ..... .246

3 ..... .229

4 ..... .138

5 ..... .094

6 ..... .071

7 ..... .001

x ..... P(x)

0 ..... .103

1 ..... .118

2 ..... .246

3 ..... .229

4 ..... .138

5 ..... .094

6 ..... .071

7 ..... .001

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