At the End of Their Final Exam,550 Students Answered an Additional

question 26

Multiple Choice

At the end of their final exam,550 students answered an additional question in which they rated their instructor's teaching effectiveness,with the following results. $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { Student's Rating of Instructor }$
$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { Student's } \\\text { Final Grade }\end{array} & \text { Very or Somewhat Effective } & \text { Very or Somewhat Ineffective } \\\hline \text { A } & 190 & 85 \\\hline \text { B } & 75 & 120 \\\hline \text { C } & 20 & 17 \\\hline \text { D } & 9 & 18 \\\hline \text { F } & 1 & 15 \\\hline\end{array}$
What proportion of all 550 students received less than a C?

• A)0.03
• B)0.06
• C)0.08
• D)0.13
• E)0.15

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Definitions:

Recycle Nutrients

The process of breaking down organic matter and converting it into nutrients that can be used again by plants, contributing to the sustainability of ecosystems.

Consumer

An organism that obtains its energy by eating other organisms, unable to produce its own food through photosynthesis or chemosynthesis.

Biomes

Large ecological areas on the planet's surface, with flora and fauna adapting to their environment, such as forests, deserts, and grasslands.