Using the Sign Test, If the Null Hypothesis Is False

question 18

Multiple Choice

Using the sign test, if the null hypothesis is false, then P (the probability of a plus) _________.

• A) equals 0.50
• B) equals alpha
• C) equals beta
• D) is not equal to 0.50

---

Definitions:

Atria Contract

refers to the phase in the cardiac cycle when the atria (upper chambers of the heart) contract to push blood into the ventricles.

Plateau Phase

Prolongation of the depolarization phase of a cardiac muscle cell membrane; results in a prolonged refractory period.

Cardiac Muscle Cell

Cardiac muscle cell, also known as a cardiomyocyte, is a specialized type of muscle cell found in the heart that contracts to pump blood throughout the body.

Action Potential

The process by which nerve cells generate an electrical signal after being stimulated, involving a dramatic change in charge across the cell membrane.