Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
percentage and represents the fraction of operations which fail. This is the qubit reliability subtracted from 100%. For example, 1.0 or 100% — all operations fail. 0% qubit reliability. 0.50 or 50% — half of operations fail. 50% qubit reliability. 0.10 or 10% — one in ten operations fail. 90%