If X and Y Are Random Variables with E(X)= 5

question 36

Multiple Choice

If X and Y are random variables with E(X) = 5 and E(Y) = 8,then E(2X + 3Y) is:

• A)34
• B)13
• C)18
• D)40

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Definitions:

Case Study Method

A research methodology that involves an in-depth observation and detailed analysis of a single subject or entity to explore underlying principles or phenomena.

Long-Term Effectiveness

The sustained ability of a process, strategy, or action to achieve desired results over an extended period.

Forgetting Parapraxes

Mistakes or slips of the tongue, often referred to as Freudian slips, that are believed to reveal subconscious thoughts or desires.

Repression

A psychological defense mechanism where undesirable thoughts, memories, or desires are unconsciously pushed out of conscious awareness.