Michael Gets Test Grades of 73, 79, 80, and 85

question 106

Multiple Choice

Michael gets test grades of 73, 79, 80, and 85. He gets a 83 on her final exam. Find the weighted mean if the tests each count for 15% and the final exam counts for 40% of the final grade. Round to one decimal place.

• A) 239.3
• B) 80.0
• C) -77.7
• D) 80.8

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Definitions:

Notch Filter

A filter designed to remove or significantly reduce the strength of a specific frequency or range of frequencies from a signal.

Band-rejection

A filter that blocks frequencies within a certain range, allowing frequencies outside that range to pass through.

Bandpass Filter

An electronic device or circuit that allows signals between two specific frequencies to pass through while attenuating signals at frequencies outside this range.

Series Resonance

A condition in a series circuit when the inductive and capacitive reactances cancel each other out, leading to a maximum circuit current at a specific frequency.