Which of the Following Equations Is Incorrect

question 76

Multiple Choice

Which of the following equations is incorrect?

• A) x_i =
• B) R_p = Σ_i x_iR_i
• C) R_p = x₁R₁ + x₂R₂ + ... + x_nR_n
• D) E[R_p] = E[Σ_i x_iR_i]

---

Definitions:

Pegword Method

A mnemonic device that involves linking words with numbers to create vivid mental images, making it easier to remember lists or sequences.

Mnemonic Technique

A method or strategy used to enhance memory and facilitate information recall.

Proactive Interference

The phenomenon where old memories inhibit the capacity to remember new information.

Proactive Interference

The difficulty in learning new information because of the interference from existing similar information.