The City Administration Wants to Find Out How Many College

question 14

Multiple Choice

The city administration wants to find out how many college students visit the city library regularly. The survey has been conducted among the students of this city. There were 356 students who responded to the survey question, and 102 of them responded that they visited the city library regular. Estimate the proportion of the college students in the city who visit the library regularly and calculate the margin of error with the confidence level of 95%.

• A)The proportion of college students in the city who visit the library regularly is 0.28, the margin of error is 0.047.
• B)The proportion of college students in the city who visit the library regularly is 0.29, the margin of error is 0.039.
• C)The proportion of college students in the city who visit the library regularly is 0.28, the margin of error is 0.039.
• D)The proportion of college students in the city who visit the library regularly is 0.29, the margin of error is 0.047.
• E)The proportion of college students in the city who visit the library regularly is 0.29, the margin of error is 0.024.

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Definitions:

Step-Up Transformer

A transformer that induces a higher voltage in its secondary coil by using a larger number of windings than in the primary coil.

Ignition Coil

A component of the ignition system in vehicles that transforms low voltage into the high voltage required to spark the spark plugs.

Circuit Paths

The routes along which electrical current flows within a circuit, connecting components such as switches, batteries, and loads like lights or motors.

Series-Parallel

A circuit configuration in which components are connected in a mixture of series and parallel arrangements to modify the total resistance and current flow.