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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 ...
Multiple OSU Students for Justice in Palestine (SJP) members have stated that they have been "targets of social media death threats, in-class harassment, public profiling and, in one female student’s case, a stalking incident". One member received a death threat through Instagram direct messages, saying: "Death to you and your family. I hope ...
In chemistry, the law of definite proportions, sometimes called Proust's law or the law of constant composition, states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation. For example, oxygen makes up about 8 / 9 of the mass of any sample of ...
Alprazolam is a triazole and benzodiazepine derivative substituted with a phenyl group at position 6, with a chlorine atom at position 8 and with a methyl group at position 1. It is an analogue of triazolam, the difference between them being the absence of a chlorine atom in the ortho position of the phenyl ring. [92]
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Monograph. A monograph is a specialist written work (in contrast to reference works) [1] or exhibition on one subject or one aspect of a usually scholarly subject, often by a single author or artist. Although a monograph can be created by two or more individuals, its text remains a coherent whole and it keeps being an in-depth academic work ...
Coupon. In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product . Customarily, coupons are issued by manufacturers of consumer packaged goods [1] or by retailers, to be used in retail stores as a part of sales promotions. They are often widely distributed through mail ...
Notes ^ Marie Curie was awarded the 1911 Nobel Prize in Chemistry "in recognition of her services to the advancement of chemistry by the discovery of the elements radium and polonium , by the isolation of radium and the study of the nature and compounds of this remarkable element."