The Amount of Time T (In Minutes) a Shopper Spends

question 64

Multiple Choice

The amount of time t (in minutes) a shopper spends browsing in the magazine section of a supermarket is a continuous random variable with probability density function ​
​ ​
How much time is a shopper chosen at random expected to spend in the magazine section?
​

• A) minutes
• B) minutes
• C) minutes
• D) minutes
• E) minutes

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Definitions:

Tiktaalik

An extinct genus of fish-like tetrapods that represents an early step in the transition from water- to land-living animals.

Vertebrates

Animals that have a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fish.

Polymerization

A chemical process that combines small molecules (monomers) into a larger compound (polymer) with repeating structural units.

Organic Monomers

Small organic molecules that can chemically bind to other molecules to form polymers, essential in the structures of life.