TABLE 2-6
a Sample of 200 Students at a Big-Ten $$

question 101

Multiple Choice

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.
$$
$\begin{array}{lcc}&\text { Did Well in Midterm}&\text { Did Poorly in Midterm }\\\text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$
-Referring to Table 2-6,_____ percent of the students in the sample went bar hopping the weekend before the midterm and did well on the midterm.

• A) 27.27
• B) 15
• C) 30
• D) 50

---

Definitions:

Mitochondria

Membrane-bound organelles in eukaryotic cells, serving as the site of aerobic respiration and energy production.

Circular DNA

DNA that forms a closed-loop structure, found in bacteria, mitochondria, and chloroplasts, distinct from the linear DNA of most eukaryotes.

Gymnosperms

A group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, notable for not having flowers or fruit.

Wingless Insects

Insects that lack wings at all stages of their life cycle, adapted for different modes of life than their winged counterparts.