Each Course at a Large University Has Either a Final

question 24

Essay

Each course at a large university has either a final exam or a final paper. The table
below presents the distribution of the number of final exams that students at the
university take in the Fall term, and their associated probabilities. What is the mean
of this distribution? $$\begin{array} { | l | c | c | c | c | } \hline \boldsymbol { x } & \mathbf { 0 } & 1 & 2 & 3 \\\hline \boldsymbol { P } ( \boldsymbol { x } ) & \mathbf { 0 . 0 5 } & \mathbf { 0 . 2 5 } & \mathbf { 0 . 4 0 } & \mathbf { 0 . 3 0 } \\\hline\end{array}$$

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Definitions:

Ethical Duty

An obligation to adhere to moral principles and conduct, typically within a professional context, ensuring fairness, honesty, and integrity.

Model Rules

Standardized rules or guidelines developed to serve as a template or benchmark for legal or professional conduct.

Greenhouse Gases

Gaseous compounds in the Earth's atmosphere that trap heat, contributing to the greenhouse effect and global climate change.

Motor Vehicle

A self-propelled vehicle used for transportation on roads, such as cars, motorcycles, and buses.