Bad Qubits — Learn Quantum by Doing

|q⟩ Bad Qubits

Play Quest Questions Learn Playground ☕

← Question Bank

Multiple choice

An estimate p̂ = 0.4 comes from n = 100 samples. What is the standard error √(p̂(1 − p̂)/n)?

≈ 0.24
0.4
≈ 0.049
≈ 0.0024

Bad Qubits · original lessons, cited sources, a real state-vector simulator. Built for learning, not for production cryptography. · Source references