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Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...
Component (graph theory) In graph theory, a component of an undirected graph is a connected subgraph that is not part of any larger connected subgraph. The components of any graph partition its vertices into disjoint sets, and are the induced subgraphs of those sets. A graph that is itself connected has exactly one component, consisting of the ...
Graphs of n vs E(T) in the coupon collector's problem: Image title: Graphs of the number of coupons, n vs the expected number of tries to collect them, E(T) = ceiling(n H(n)) in the coupon collector's problem, drawn by CMG Lee. Width: 100%: Height: 100%
Price look-up codes, commonly called PLU codes, PLU numbers, PLUs, produce codes, or produce labels, are a system of numbers that uniquely identify bulk produce sold in grocery stores and supermarkets. The codes have been in use since 1990, and over 1400 have been assigned. [ 1] The codes are administered by the International Federation for ...
Coin grading[ 1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.
Use this World Market coupon (formerly known as Cost Plus) to save $10 off your next $30 purchase. Valid in stores, but not online. Expires Oct. 31, 2010. One per person. Sign up for the company's ...
A collectible market index is a tool used by collectors and investors to track values of collectibles against collectors market from a specific date, calculated in form of Index. It measures the value of a section of the collectors market. Collectible market indices have been criticised for often being a poor guide to investors.
Here is a rare World Market coupon (formerly Cost Plus) for 25% off all home furnishings, decor, gifts and more. Food and non-alcoholic beverages are 10% off. The coupon is valid March 25 through ...