Random Variable X Has the Probability Function: F(x) =X/6 for X

question 84

Multiple Choice

Random variable x has the probability function: f(x) =x/6 for x = 1,2 or 3. The expected value of x is

• A) 0.333.
• B) 0.500.
• C) 2.000.
• D) 2.333.

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Definitions:

Head Injury

Physical trauma to the head, which can affect the brain and lead to temporary or permanent damage.

Cerebral Cortex

The outer layer of the brain that is involved in high-level functions such as sensation, voluntary muscle movement, thought, reasoning, and memory.

Thalamus

A large, dual-lobed structure in the brain that acts as a relay station, conveying sensory and motor signals to the cerebral cortex.

Smell

A sense that enables the perception of odors, essential for taste and often involved in memory.