Was Bohr's interpretation deterministic?
No, quite the contrary. A common misunderstanding is that our interpretation allows for precise predictions. In reality, quantum mechanics, as we understood it, is fundamentally probabilistic. We could predict the likelihood of certain outcomes, but not the exact outcome of individual events. This inherent uncertainty, encapsulated in the quantum postulate, challenged the deterministic worldview that had dominated physics for centuries, including the ideas championed by Einstein.
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