The assessment is based on the overwhelming weight of high-authority primary evidence directly supporting the statement. The most crucial source is the official FOMC statement from December 18, 2024, which is described as the "definitive primary source for any monetary policy decision made on that date, including changes to the federal funds rate target range." This source directly confirms that an official decision was announced.This conclusion is corroborated by other official Federal Reserve sources that serve as directories, such as the index of 2024 FOMC press releases and the main press releases landing page, which validate that such an announcement would be found in a press release like the one cited. Furthermore, supplementary sources dated in 2025, including minutes and a speech by Governor Waller, indicate a dovish policy environment and discussion of 25 basis point cuts, which is thematically consistent with a rate cut having occurred in late 2024.The sources that could be interpreted as contradictory are either irrelevant or weak. Two sources are press releases from 2001 and 2019, making them irrelevant to a 2024 decision. Another source mentions the 3.75%-4.00% range in a "historical context," but this is from a general informational page, which holds significantly less authority than a specific, dated policy announcement from the FOMC. Given the direct and authoritative nature of the primary evidence, the statement is highly likely to be true.