Question: Overtime hours 0 1 2 3 4 5 6 Probability 0.019 0.019 0.073 0.073 0.155 0.155 0.277 0.277 0.228 0.228 0.160 0.160 0.088 0.088 (a)

Overtime hours

0

1

2

3

4

5

6

Probability

0.019

0.019

0.073

0.073

0.155

0.155

0.277

0.277

0.228

0.228

0.160

0.160

0.088

0.088

(a) Find themean, variance, and standard deviation of the probability distribution.

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