Determining the precise odds of the universe forming as it has merely by chance is a complex and challenging task. The formation and evolution of the universe involve a vast number of physical processes, fundamental constants, and initial conditions.
The concept of calculating the odds of such a specific outcome occurring by chance alone is not well-defined in the context of the universe as a whole. This is because we lack a comprehensive understanding of the underlying mechanisms that led to the universe's formation and the fundamental principles governing its existence.
Moreover, it's worth considering that the concept of "chance" assumes a probabilistic framework with a specific set of conditions and known probabilities. When it comes to the universe, we do not have a complete understanding of its fundamental laws or the probabilities associated with its origin.
Additionally, the anthropic principle suggests that the conditions we observe in the universe are conducive to the existence of life because, well, we exist to observe them. Therefore, the idea of calculating the odds of the universe's formation becomes more complex when considering the role of life and consciousness in the equation.
In summary, due to our limited understanding of the fundamental laws and conditions that govern the universe's formation, it is not currently possible to assign precise odds to the universe forming as it has solely by chance. The study of cosmology and fundamental physics is ongoing, and our understanding of the universe continues to evolve.