If X_i Is Defined as X_i = $\pi$ _i - E $\pi$

question 4

Multiple Choice

If x_i is defined as x_i = $\pi$ _i - E( $\pi$ _i) ,and p_i is the probability of occurrence of any x_i,the formula for the square of the standard deviation can be written as:

• A) \(\Sigma\) x_i p_i.
• B)\(\Sigma\) x_i p²_i .
• C) \(\Sigma\)x²_i p²_i .
• D) \(\Sigma\)x²_i p_i.
• E)\(\Sigma\)(x_i p_i)².

---

Definitions:

Script

A sequence of expected behaviors for a given situation, often acting as a guide for social interaction or task execution.

Restaurant

A business establishment where meals or refreshments may be purchased.

Hierarchical Network Models

Theories suggesting that concepts are represented in the brain in a structured network of relationships, with more general concepts at the top and specific instances beneath.

Classical Approach

usually refers to traditional methods or theories in various fields, relying on established practices and principles that have been validated over time through consistent application and success.