The Provincial Transportation Department Is Studying Traffic Patterns on One

question 145

Multiple Choice

The provincial transportation department is studying traffic patterns on one of the busiest highways in the province.As part of the study,the department needs to estimate the average number of vehicles that pass an intersection each day to within 300 cars with 99% confidence.If the population standard deviation is 1,010 cars,how many days do they need to sample?

• A)109
• B)76
• C)75
• D)62
• E)9

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Definitions:

Stephen Austin

Stephen F. Austin is known as the "Father of Texas" for leading the second, and ultimately successful, colonization of the region by bringing 300 families from the United States to the region in the 1820s.

Mexican Population

Refers to the demographic group of people living in Mexico, or of Mexican descent in other countries.

Autonomy

Autonomy is the right or condition of self-government, often within a larger political or organizational entity.

Jefferson Davis

An American politician who served as the President of the Confederate States from 1861 to 1865 during the American Civil War.