Use Random-Variable Notation to Represent the Event $\{ X = 2 \}$

question 22

Multiple Choice

Use random-variable notation to represent the event.
-Suppose that two balanced dice are rolled. Let X denote the absolute value of the difference of the two numbers. Use random-variable notation to represent the event that the absolute value of the
Difference of the two numbers is 2.

• A) \(\{ X = 2 \}\)
• B) \(P \{ X = 2 \}\)
• C) \(| X | = 2\)
• D) \(\{ ( 1,3 ) , ( 2,4 ) , ( 3,5 ) , ( 4,6 ) , ( 3,1 ) , ( 4,2 ) , ( 5,3 ) , ( 6,4 ) \}\)

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Definitions:

Participant Observation

A qualitative research method where the researcher becomes actively involved in the community or context being studied to gain deeper insight.

Research Method

Systematic and standardized procedures for collecting and analyzing data to understand and interpret various phenomena.

Dependent Variable

In research, this is a variable that is expected to change as a result of manipulation of the independent variable.

Climate Change

The systematic increase in worldwide surface temperatures and the resulting ecological change.