Chapter 6

Question 1

Probability distribution

Answer 1

A listing of all the outcomes of an experiment and the probability associated with each outcome.

Question 2

Characteristics of a probability distribution

Answer 2

1-The probability of a particular outcome is between 0 and 1 inclusive.
2-The outcomes are mutually exclusive events.
3-The list is exhaustive. So the sum of the probabilities of the various events is equal to 1.

Question 3

Random Variable

Answer 3

A quantity resulting from an experiment that, by chance, can assume different values.

Question 4

Discrete Random Variable

Answer 4

A random variable that can assume only certain clearly separated values.