A qubit is in the superposition state |ψ⟩ = a|0⟩ + b|1⟩ with |a|^2 = 0.5 and |b|^2 = 0.5. Which statement is correct?
|ψ⟩ = a|0⟩ + b|1⟩
|a|^2 = 0.5
|b|^2 = 0.5