Which of the Following Is a Required Condition for a Discrete

question 6

Multiple Choice

Which of the following is a required condition for a discrete probability function?

• A) \(\Sigma\)f(x)= 0 for all values of x
• B)f(x)\(\ge\) 1 for all values of x
• C)f(x)< 0 for all values of x
• D) \(\Sigma\)(x)= 1 for all values of x

---

Definitions:

Caution Signals

Indicators or signs that alert individuals to potential hazards or the need for careful attention.

Disagreement Signals

Non-verbal or verbal cues indicating a difference in opinion or objection between individuals.

Sales Presentation

A formal talk or demonstration given by a salesperson to showcase a product or service's features and benefits, aiming to persuade potential buyers.

Nonverbal Signals

Nonverbal signals are forms of communication without words, such as body language, gestures, facial expressions, and tone of voice, which convey feelings or intentions.