SCENARIO 2-5 The Following Are the Duration in Minutes of a Sample

question 173

Multiple Choice

SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.

-Referring to Scenario 2-5,what is the cumulative relative frequency for the percentage of calls that lasted under 20 minutes?

• A)0.10
• B)0.59
• C)0.76
• D)0.84

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Definitions:

Renewable Resource

Natural resources that can be replenished naturally with the passage of time, such as sunlight, wind, and biomass.

Migration Rates

The numerical measurement of the movement of people from one region or country to another, often quantified as the number of individuals per thousand or hundred thousand.

Birthrates

The number of live births per thousand of population per year.

Demographers

Experts who study populations, including their sizes, distributions, and trends, by analyzing birth, death, migration, and aging patterns.