Description: The hypothesis is a supposition formulated for the purpose of being tested, especially in the context of software development and product design. In this approach, hypotheses are often related to user needs or the characteristics of the product being developed. It is considered a fundamental element in methodologies such as Behavior Driven Development (BDD) and Test Driven Development (TDD), where the aim is to validate or refute these assumptions through testing and experimentation. Hypotheses allow development teams to establish a clear framework for decision-making, facilitating the identification of which features or functionalities are truly valuable to users. By formulating hypotheses, teams can prioritize their work and focus their efforts on areas with the greatest potential impact. This approach also fosters a culture of continuous learning, as each test conducted provides valuable information that can be used to adjust and improve the product under development. In the context of data science and statistics, hypotheses are essential for formulating predictive models and validating results, allowing data scientists to make informed decisions based on empirical evidence.