The Battery Life of an IPod Has an Approximate Normal

question 27

Short Answer

The battery life of an iPod has an approximate normal distribution with a mean of 6 hours and a
standard deviation of 0.5 hours. What is the probability that a randomly chosen iPod will have a
battery life between 5 hours and 6.5 hours? Give your answer as a percentage.

---

Definitions:

Parasympathetic Division

Another term for the parasympathetic nervous system, focusing on slowing the heart rate, increasing intestinal and gland activity, and relaxing sphincter muscles.

Muscle Fibers

The individual contractile cells within a muscle that produce force and movement.

Disarticulation

The separation of two bones at their joint, either surgically or as a result of injury.

Sensorineural Hearing Loss

A type of hearing loss resulting from damage to the inner ear or the auditory nerve pathways.