The Critical Value for the Z Distribution Using a =

question 38

Multiple Choice

The critical value for the z distribution using a = 0.05 2 tail is _________.

• A) ±1.96
• B) ±2.58
• C) ±1.64
• D) ±2.33

---

Definitions:

Genioglossus

A muscle in the tongue that is responsible for its movement, enabling speech, swallowing, and positioning of the tongue.

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, controlling movements such as closing, puckering, and protruding the lips.

Frontal Belly

Part of the occipitofrontalis muscle which moves the scalp, eyebrows, and forehead skin.

Epicranius

A muscle of the scalp that raises the eyebrows and wrinkles the forehead horizontally.