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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 than t boxes need to be bought ...
In library science and architecture, a stack or bookstack (often referred to as a library building's stacks) is a book storage area, as opposed to a reading area. More specifically, this term refers to a narrow-aisled, multilevel system of iron or steel shelving that evolved in the 19th century to meet increasing demands for storage space. [ 3]
Shelf life is the length of time that a commodity may be stored without becoming unfit for use, consumption, or sale. [ 1] In other words, it might refer to whether a commodity should no longer be on a pantry shelf (unfit for use), or no longer on a supermarket shelf (unfit for sale, but not yet unfit for use).
In Shasta County, California, the county clerk and election officials warned last week that a text message asking recipients to click a link to register to vote was a scam. Officials said clicking ...
Justin Sullivan—Getty Images. After increasing the price of a first-class postage stamp to 68 cents in January, the U.S. Postal Service is planning to increase the cost again in the coming days.
A built-in cabinet is usually custom made for a particular situation and it is fixed into position, on a floor, against a wall, or framed in an opening. For example, modern kitchens are examples of built-in cabinetry. Free-standing cabinets are more commonly available as off-the-shelf items and can be moved from place to place if required.
A painting depicting the battle at North Bridge in Concord, Mass., on April 19, 1775. (VCG Wilson / Corbis via Getty Images) The musket balls were found in an area where “according to ...
Cheney's algorithm. Cheney's algorithm, first described in a 1970 ACM paper by C.J. Cheney, is a stop and copy method of tracing garbage collection in computer software systems. In this scheme, the heap is divided into two equal halves, only one of which is in use at any one time. Garbage collection is performed by copying live objects from one ...