X Is a Normally Distributed Random Variable with a Mean

question 119

Multiple Choice

x is a normally distributed random variable with a mean of 6 and a variance of 4. The probability that x is greater than 8.75 is

• A) 0.9154.
• B) 0.0846.
• C) 0.0775.
• D) 0.9225.

---

Definitions:

Cell Membranes

The semipermeable membrane surrounding the cytoplasm of a cell, responsible for controlling the movement of substances in and out of the cell.

Hormones

Signaling molecules released by glands which travel through the bloodstream to tissues or organs to regulate physiology and behavior.

Nonsteroidal

Refers to drugs that are not steroids, often used to reduce inflammation or pain without the effects of steroids.

Glucagon

A hormone produced by the pancreas that raises blood glucose levels, acting as a critical counter-regulatory hormone to insulin.