(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

If I am told a spin (1/2) particle is originally in the state of a particular Hamiltonian (proportional to S(z)), does that imply the general state or spin-up? Because I am asked to find the probability that it will change its spin, which I can only make sense of assuming its talking about a specific spinor (in this case up).

2. Relevant equations

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3. The attempt at a solution

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# Homework Help: Little wording confusion

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