Connecting which platform to Analytics allows you to direct experiments toward specific audiences to test variants of your web pages?

Google Optimize is the correct answer because it's Google's A/B testing and personalization platform designed to integrate directly with Google Analytics. This integration allows you to define experiment goals using Analytics data and target specific audience segments identified within Analytics. Firebase is for mobile app development and analytics, not web page experiments. Search Console provides insights into search performance but doesn't facilitate A/B testing. "Modify event" is a feature within Google Analytics 4 for adjusting event data, not a platform for running web page experiments.