Use the probability distribution to complete parts​ (a) and​ (b) below. The number of defects per 1000 machine parts inspected Defects Probability 0 0.256 1 0.299 2 0.230 3 0.159 4 0.037 5 0.019 ​Find...

Use the probability distribution to complete parts​ (a) and​ (b) below.

The number of defects per 1000 machine parts inspected

Defects Probability
0 0.256
1 0.299
2 0.230
3 0.159
4 0.037
5 0.019

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