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In a Random Sample of 200 Students from Northern State

question 222

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In a random sample of 200 students from Northern State University, 150 said that they own a smartphone. Therefore, probably at least 50% of the students at Northern State own a smartphone.


Definitions:

RC Parallel Circuit

An electrical circuit that contains both a resistor (R) and a capacitor (C) connected in parallel with each other, affecting the phase and amplitude of the circuit's response.

Z

Often represents impedance in electrical circuits, a complex measurement that includes both resistance (R) and reactance (X), measured in ohms (Ω).

RC Parallel Circuit

An electrical circuit composed of resistors and capacitors in parallel configuration, commonly analyzed to study frequency response or filtering properties.

R

A symbol commonly used to represent resistance in electrical circuits.

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