A Simple Random Sample from an Infinite Population Is a Sample

question 20

Multiple Choice

A simple random sample from an infinite population is a sample selected such that

• A) each element is selected independently and from the same population.
• B) each element has a 0.5 probability of being selected.
• C) each element has a probability of at least 0.5 of being selected.
• D) the probability of being selected changes.

---

Definitions:

Pressure

The force exerted by a substance per unit area on another substance or on a surface, measured in units such as Pascals.

Ventricular Repolarization

The process by which the heart's ventricles return to their resting state after contraction, indicated by the T-wave in an ECG.

ECG

Electrocardiogram, a test that records the electrical activity of the heart to detect heart problems.

T Wave

A feature on an electrocardiogram (ECG) representing the repolarization of the ventricles of the heart.