Which of the Following Statements About Persian Couriers Is True

question 21

Multiple Choice

Which of the following statements about Persian couriers is true?

• A)They traveled 90 miles a day. 
• B)Couriers were Persian merchants who developed a vast trade network.
• C)They were crucial to government communication with its vast empire.
• D)The courier system stationed a man and a horse a day apart. 
• E)All of these choices. 

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Definitions:

Finite Population Correction Factor

A correction used in sampling to adjust for the effect of sampling without replacement from a finite population.

Subset

A set of elements that are all members of another set, and possibly fewer in number.

Standard Error

A measure of the dispersion or variability in a sample statistic from the population parameter.

Infinite Population

A theoretical concept where the population size is considered unlimited or endlessly large for statistical analysis.