Complete parts (a) and (b) using the probability distribution below. The number

Complete parts (a) and (b) using the probability distribution below. The number of overtime hours worked in one week per employee

Overtime hours 0 1 2 3 4 5 6
Probability 0.016 0.089 0.152 0.309 0.220 0.147 0.067

(a) Find the mean, variance, and standard deviation of the probability distribution.
b) Find the mean of the probability distribution.
μ=
(Round to one decimal place as needed.)