Multiple choice
Run this circuit, then measure. With what probability do you get |010⟩?
const c = circuit(3); c.cx(0, 1); c.cx(0, 2); // encode |0_L> c.x(1); // a single correctable bit-flip error c.cx(0, 1); c.cx(0, 2); // decode c.ccx(2, 1, 0); // coherent majority correction onto the data qubit c.measure(); return c;
Commit your prediction for P(|010⟩) — then run it.