Multiple choice
Run this circuit, then measure. With what probability do you get |000⟩?
const c = circuit(3); c.h(0); // (|0>+|1>)/sqrt2 on qubit 0 c.cx(0, 1); // copy onto qubit 1 c.cx(0, 2); // copy onto qubit 2 -> (|000>+|111>)/sqrt2 return c;
Commit your prediction for P(|000⟩) — then run it.