Google Ads Apps Certification Practice Exam 2026 - Free Certification Practice Questions and Study Guide

This question is about the potential impact of applying machine learning to production processes and the specific upper bound reported by a 2018 finding. The figure twenty percent represents the maximum improvement cited in that source when ML is used to optimize production. That’s why it’s the best answer among the options—the other percentages either exceed the stated maximum or fall below it, so they don’t match the reported finding. Remember that “up to” signals a ceiling, not a guaranteed result, and actual gains depend on factors like the current performance, data quality, and how ML is applied (for scheduling, maintenance, anomaly detection, etc.).