Quantum is non-deterministic. Binary computing is deterministic. How the hell do you do quantum computing and get right answers every time?
Depends on the question you ask... “quantum computing” is a farce, but, it pays well if you can convince people of its impending “supremecy.” Indeed, it’s better described as a “parlor trick”... don’t fall for it! All of the underlying claims of quantum mechanics - over the past 100 years - will soon be exposed as a giant scam, just watch!
How the hell do you do quantum computing and get right answers every time?
You get probabilities to a certain level of confidence and precision.
For example, in predictive analytics of an election or global warming or the superbowl, we say there is an X% of global warming. And we have Y% confidence that it is X%.
Then, with more data, we should be able to improve the precision to X.a% and Y.b%...and with even more precision X.a2% and Y.b2%. On a purely mathematical basis the analytics we constantly improve on what St Paul quoted the Greeks: We see through a Glass Darkly.
The real problem is not in mathematics, but in human bias imposed on the mathematics. IBM Healthcare imposes human bias on there analytics and comes out with the wrong boneheaded conclusion, not because their hardware or systems software is defective, but because garbage in, garbage out. (I use IBM Healthcare analytics professionally.)
We see through a glass darkly...and then cherry pick parts of what we see.