Help me with this question please. I've been struggling with it for a while.

helpwithmathplease said:

An urn contains 22 numbered balls. Of these, 16 are white and 6 are red. From this urn, we select 4 balls.
How many samples contain at least 2 red balls?

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Subhotosh Khan said:

How many ways you can pull 4 balls out of 22 numbered balls

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