A Large Mobile Network Operating Company Is Building a Machine

question 144

Multiple Choice

A large mobile network operating company is building a machine learning model to predict customers who are likely to unsubscribe from the service. The company plans to offer an incentive for these customers as the cost of churn is far greater than the cost of the incentive. The model produces the following confusion matrix after evaluating on a test dataset of 100 customers: Based on the model evaluation results, why is this a viable model for production?

• A) The model is 86% accurate and the cost incurred by the company as a result of false negatives is less than the false positives.
• B) The precision of the model is 86%, which is less than the accuracy of the model.
• C) The model is 86% accurate and the cost incurred by the company as a result of false positives is less than the false negatives.
• D) The precision of the model is 86%, which is greater than the accuracy of the model.

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Definitions:

Semantics

The study of meaning in language, including the analysis of words, phrases, signs, and symbols.

Syntax

The arrangement of words and phrases to create well-formed sentences in a language.

Morphology

The examination of organisms' form, structure, and distinct structural characteristics.

Phoneme

The smallest unit of sound that may cause a change of meaning within a language, but doesn't have meaning by itself.