Question

Which of the following can be considered as random variable?

(a) The outcome from the roll of a die

(b) The outcome of flip of a coin

(c) The outcome of exam

(d) All of the mentioned

This question was posed to me in exam.

I'm obligated to ask this question of Introduction to Statistical Inference in chapter Statistical Inference and Regression Models of Data Science

Answer 1

The correct choice is (d) All of the mentioned

To explain: The probability distribution of a discrete random variable is a list of probabilities associated with each of its possible values.