Assume That X Has a Normal Distribution, and Find the Indicated

question 227

Multiple Choice

Assume that X has a normal distribution, and find the indicated probability.
-The mean is $\mu = 15.2$ and the standard deviation is $\sigma = 0.9$ . Find the probability that $X$ is between $14.3$ and 16.1.

• A) 0.3413
• B) 0.6826
• C) 0.1587
• D) 0.8413

---

Definitions:

The Sun

The star at the center of our solar system, providing light and heat critical for life on Earth.

Positive Change

Improvement or advancement in a condition or situation, often aiming for a beneficial outcome.

Endergonic

Describes a chemical reaction that requires energy to be absorbed from its surroundings, not occurring spontaneously.

Open System

An entity that exchanges energy with its surroundings. Compare with closed system.