i. The probability of a particular outcome, designated X, must always be between 0 and 1 inclusive. ii. A random variable represents the outcomes of an experiment.
iii. The mean of a probability distribution is referred to as its expected value.
A) (i), (ii), and (iii) are all correct statements.
B) (i) is a correct statement but not (ii) or (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) (i), (ii), and (iii) are all false statements.

Question

Quizplus · Accepted Answer

All three statements (i), (ii), and (iii) are correct. Statement (i) defines the range of probabilities, statement (ii) defines what a random variable represents, and statement (iii) defines the expected value of a probability distribution.

I the Probability of a Particular Outcome, Designated X, Must