Coupon collector's problem

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In probability theory, the coupon collector's problem refers to the mathematical analysis of "collect all coupons and win" contests.

Excerpt from the Wikipedia article “Coupon collector's problem”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Cmglee, CC BY-SA 3.0, via Wikimedia Commons.