Is video poker a game of skill?

Partly. The deal is random, but correct hold decisions measurably improve your long-run return.

What is the minimum winning hand?

It is shown in the in-game paytable, which lists every paying combination.

Usually yes, over a single high card, because pairs convert into trips and full houses.

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Five-card deal, classic paytable.

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Jacks or Better

Five-card deal, classic paytable.

You are dealt five cards. Hold the ones you want to keep, discard the rest, and the replacements decide your final hand.

Payouts follow a fixed poker paytable, so which cards you hold genuinely changes your expected return.

Is video poker a game of skill?: Partly. The deal is random, but correct hold decisions measurably improve your long-run return.
What is the minimum winning hand?: It is shown in the in-game paytable, which lists every paying combination.
Should I always hold a low pair?: Usually yes, over a single high card, because pairs convert into trips and full houses.