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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 ...
Buy one, get one free. " Buy one, get one free " or " two for the price of one " is a common form of sales promotion. Economist Alex Tabarrok has argued that the success of this promotion lies in the fact that consumers value the first unit significantly more than the second one. So compared to a seemingly equivalent "Half price off" promotion ...
A shoe-fitting fluoroscope was a metal construction covered in finished wood, approximately 4 feet (1.2 m) high in the shape of short column, with a ledge with an opening through which the standing customer (adult or child) would put their feet and look through a viewing porthole at the top of the fluoroscope down at the X-ray view of the feet ...
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Pennsylvania. Pennsylvania ( / ˌpɛnsɪlˈveɪniə / ⓘ PEN-sil-VAY-nee-ə, lit. 'Penn's forest country' ), officially the Commonwealth of Pennsylvania[ b] ( Pennsylvania Dutch: Pennsylvanie ), [ 7] is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.
Illinois. Illinois ( / ˌɪlɪˈnɔɪ / ⓘ IL-in-OY) is a state in the Midwestern region of the United States. It borders Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash and Ohio rivers to its south.
List of. Rugrats. episodes. Rugrats is an American animated television series created by Arlene Klasky, Gábor Csupó, and Paul Germain. The show focuses on a group of toddlers, most prominently Tommy, Chuckie, Angelica, twins Phil and Lil, Susie, then later Dil and Kimi and their day-to-day lives, usually involving common life experiences that ...
Rationing is the controlled distribution of scarce resources, goods, services, [ 1] or an artificial restriction of demand. Rationing controls the size of the ration, which is one's allowed portion of the resources being distributed on a particular day or at a particular time. There are many forms of rationing, although rationing by price is ...