In this series of physics lectures, Professor J.J. Binney explains how probabilities are obtained from quantum amplitudes, why they give rise to quantum interference, the concept of a complete set of amplitudes and how this defines a "quantum state".
Notes and problem sets here
http://www-thphys.physics.ox.ac.uk/people/JamesBinney/lectures.html
He must be in charge of Britains finances, in the end nobody knows anything ...
bernhardfranz 10 months ago