A Survey of an Urban University (Population of 25,450)showed That

question 50

Multiple Choice

A survey of an urban university (population of 25,450) showed that 870 of 1,100 students sampled supported a fee increase to fund improvements to the student recreation center. Using the 95% level of confidence,what is the confidence interval for the proportion of students supporting the fee increase?

• A)[0.767,0.815]
• B)[0.759,0.822]
• C)[0.771,0.811]
• D)[0.714,0.866]

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Definitions:

Exhaust Valves

Components in an engine that open to allow exhaust gases to exit the combustion chamber after the power stroke.

DOHC

Stands for Dual Overhead Camshaft, a design in internal combustion engines where two camshafts are used to control the valves for improved performance.

Internal Combustion Engines

Engines that generate mechanical power by burning a fuel-air mixture within combustion chambers to create high-pressure gases that drive movement.

Intake

The part of an engine that draws air into the combustion chamber, sometimes referring more broadly to the system including air filters and intake manifolds.