Mike Runs for the President of the Student Government and Is

question 30

Multiple Choice

Mike runs for the president of the student government and is interested to know whether the proportion of the student body in favor of him is significantly more than 50 percent. A random sample of 100 students was taken. Fifty-five of them favored Mike. At a 0.05 level of significance, it can be concluded that the proportion of the students in favor of Mike

• A) is significantly greater than 50 percent because 55 percent of the sample favored him.
• B) is not significantly greater than 50 percent.
• C) is significantly greater than 55 percent.
• D) is not significantly different from 55 percent.

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Definitions:

Rotating

The action or process of turning around a center or an axis; a fundamental movement in various mechanical and electrical devices.

Fixed

Pertains to an electronic component or value that remains constant and unchanged throughout its operation or use.

Vibrating

A process or state characterized by rapid oscillations or movements back and forth or up and down, often at a relatively fixed frequency.

Resistance Start Induction-run Motor

A type of single-phase induction motor that uses an external resistor to increase starting torque, which is removed once the motor reaches a certain speed.