Multiple choice
Run this circuit, then measure. With what probability do you get |00⟩?
// H on qubit 0 makes (1/sqrt2)(|00> + |10>); CNOT(0->1) flips target when // control is 1, sending |10> -> |11>, giving the Bell state |Phi+>. const c = circuit(2); c.h(0); c.cx(0, 1); return c;
Commit your prediction for P(|00⟩) — then run it.