Solve the Problem. -For the Study Described Below, Identify the Sample. a Bank

question 20

Multiple Choice

Solve the problem.
-For the study described below, identify the sample. A bank manager wants to know the average amount of time customers of his bank have to wait in
Line. 300 customers were polled and asked their average wait time at the bank. 27 of the 300 were
Extremely dissatisfied with the amount of time they had had to wait in line in recent months.

• A)The customers who were waiting in line at the bank the day of the poll
• B)The 27 people who were dissatisfied.
• C)All customers of the bank
• D)The 300 customers polled

---

Definitions:

Rods

Photoreceptor cells in the retina of the eye that function well in low light and are responsible for night vision.

Cones

Photoreceptor cells in the retina of the eye that function best in bright light and enable the perception of color and fine detail.

Dark Adaptation

The process by which the eyes increase their sensitivity to low levels of light, allowing for better vision in the dark.

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low light levels and are primarily responsible for night vision.