A certain Andrew Walkingshaw, of uk.rec.audio "fame", writes :

Vinyl has more noise, in the statistical sense: however, it also has
a theoretically higher resolution than CDs.

No it doesn't.

a) What is the maximum resolution of the ear?

The million dollar question.

b) What's the lowest practical noise-floor of vinyl?

Around about -55db on the best ? (guess)

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