Exercise: Random variables

0 points possible (ungraded)Background: a number, e.g.2

, can be thought of as a trivial random variable that always takes the value2

. Let

be a number.

Let

be a random variable associated with some probabilistic experiment.

a) Is it always true that+

is a random variable?

Select an option Yes No unanswered

b) Is it always true that=0

?

Select an option Yes No unanswered