Exercises due Oct 1, 2020 16:59 PDT

Exercise: Random variables versus numbers

2 points possible (graded)

Let

be a random variable that takes integer values, with PMF

()

. Let

be another integer-valued random variable and let

be a number.

a) Is

()

a random variable or a number?

Select an option Random variable Number

unanswered

b) Is

()

a random variable or a number?

Select an option Random variable Number

unanswered