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Graph of number of coupons, n vs the expected number of trials (i.e., time) needed to collect them all, E (T ) In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests.
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%
In mathematics, the harmonic series is the infinite series formed by summing all positive unit fractions : The first terms of the series sum to approximately , where is the natural logarithm and is the Euler–Mascheroni constant. Because the logarithm has arbitrarily large values, the harmonic series does not have a finite limit: it is a ...
v. t. e. In finance, bond convexity is a measure of the non-linear relationship of bond prices to changes in interest rates, and is defined as the second derivative of the price of the bond with respect to interest rates ( duration is the first derivative). In general, the higher the duration, the more sensitive the bond price is to the change ...
Every September since 1998 retailers and shoppers have celebrated National Coupon Month and this year to mark the occasion one of our favorite coupon collectors, Coupon Sherpa, has launched I Love ...
Canadian Tire money, officially Canadian Tire 'money' [1] [2] or CTM, is a loyalty program operated by the Canadian retail chain Canadian Tire Corporation (CTC). It consists of both paper coupons introduced in 1958 and used in Canadian Tire stores as scrip, and since 2012 in a digital form introduced as Canadian Tire Money Advantage, rebranded in 2018 as Triangle Rewards.
Star Wars Kenner Vintage 1977 to 1985 Complete Lot of 102 Figures. Price on eBay: $38,500. Though the original Star Wars movie was released in 1977, the toy line thrived throughout the 1980s ...