The Waiting Time at an Elevator Is Uniformly Distributed Between

question 47

Multiple Choice

The waiting time at an elevator is uniformly distributed between 30 and 200 seconds.Find the mean and standard deviation of the waiting time.

• A) 115 seconds and 49.07 seconds
• B) 1.15 minutes and 0.4907 minutes
• C) 1.15 minutes and 24.08333 (minute)²
• D) 115 seconds and 2408.3333 (second)²

---

Definitions:

Lateral Line Organs

Specialized sense organs in aquatic vertebrates that detect movement and vibration in the surrounding water.

Hair Cells

Sensory cells located in the inner ear that are responsible for converting sound and motion into electrical signals.

Stereocilia

Hairlike projections on the surface of certain cells, such as those in the inner ear, aiding in the detection of vibration and sound.

Organ of Corti

A structure located in the cochlea of the inner ear containing hair cells that transduce sound vibrations into electrical signals for hearing.