Expected value
cosmos
10th October 2017 at 5:44pm
Moment (mathematics)
E
[
x
]
=
∑
x
p
(
x
)
x
E[x] = \sum_x p(x) x
E
[
x
]
=
∑
x
p
(
x
)
x
(for
Discrete random variable
s)