From 40k solutions, I assume that the problem should be from your code :)

3 current language have random tests.

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• Sample tests do not work
• No random tests
• Typo: underscore
  (JS)

I can understand your point. But someone would misunderstand the n is denominator?

Added.

I think the Python random and JS one are similar, does it?

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Approved.

max - min is enough :P

What is n (lower case) in the description? (JavaScript)

Your filter's callback returns an array which is always truthy :D

Approved.

Approved.

Approved.