complete the table below and find the mean of the following probability distribution

1. X P(X) X-P(X)
1 1/7
6 1/7
11 3/7
16 1/7
21 1/7

x-P(X) =

2. X P(X) X-P(X)
3 0.15
6 0.35
8 0.4
10 0.1


X-P(X) =​