Final answer:
The statement is false; speeches, lectures, and presentations are formal methods of business communication, employing structured and planned approaches.
Step-by-step explanation:
The correct option is b) False. Speeches, lectures, and presentations are considered formal methods of business communication, not informal. These forms of communication are highly structured and are typically planned in advance, adhering to specific conventions or protocols.
For instance, business presentations often involve careful preparation and intend to convey important information, persuade an audience, or maintain a professional relationship. Moreover, business documents, such as formal reports and letters, adhere to specific formats and maintain a formal tone to communicate effectively in a business environment.
Speeches, lectures, and presentations are examples of formal business communications, not informal. In the business world, written and spoken rhetoric is crucial to successful outcomes and the internal workings of an organization. Business documents are written in a formal style and have specific forms that should be followed.