Physical interpretation of E(X)

#1

what is the physical interpretation of E(x1+x2+x3…xn)
what is it called… how do you call it??

#2

@Adarsh-Bhargav-3064379896964870,
E(x) means expected value of a random variable x. It means what value on an average x will take as you do an experiment.
There’s not much on actual physical interpretation as I know of, but I would recommend you this video, for a better feeling of expectation.