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no of TV X 0 0 1 0.161 2 0.261 3 0.176 4 0.186 5 0.116 6 0.055 7 0.025 8 0.010 9 0.010 Determine

no of TV X

0 0

1 0.161

2 0.261

3 0.176

4 0.186

5 0.116

6 0.055

7 0.025

8 0.010

9 0.010

Determine the standard deviation of the random variable x:

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