X Is a Random Variable with the Probability Function: F(X)

question 60

Multiple Choice

X is a random variable with 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

---

Definitions:

Task

An assigned piece of work or duty that is to be done within a certain timeframe.

Human Cortex

The outer layer of the brain involved in high-level functions such as consciousness, thought, emotion, reasoning, language, and memory.

Brain Volume

The total volume of the brain, including the cerebral cortex and subcortical structures, which can be measured through imaging techniques and has implications for various cognitive and physical health conditions.

Larger Skulls

Referring to an evolutionary trait wherein species, including humans, have developed skulls of a greater volume, often associated with changes in brain size and cognitive abilities.