Search results
Results from the WOW.Com Content Network
A probabilistic generalization of the pigeonhole principle states that if n pigeons are randomly put into m pigeonholes with uniform probability 1/m, then at least one pigeonhole will hold more than one pigeon with probability. where (m)n is the falling factorial m(m − 1) (m − 2)... (m − n + 1). For n = 0 and for n = 1 (and m > 0), that ...
Pigeonholing. Pigeonholing is a process that attempts to classify disparate entities into a limited number of categories (usually, mutually exclusive ones). The term usually carries connotations of criticism, implying that the classification scheme referred to inadequately reflects the entities being sorted, or that it is based on stereotypes. [1]
A pigeon-hole messagebox (commonly referred to as a pigeon-hole or pidge, a cubbyhole (often shortened to "cubby") or simply as a mailbox in some academic or office settings) is an internal mail system commonly used for communication in organisations, workplaces and educational institutes in the United Kingdom and other countries.
Dovecote. A dovecote or dovecot / ˈdʌvkɒt /, doocot (Scots) or columbarium is a structure intended to house pigeons or doves. [1] Dovecotes may be free-standing structures in a variety of shapes, or built into the end of a house or barn. They generally contain pigeonholes for the birds to nest. [2]
W. W. Grainger, Inc., is an American Fortune 500 [5] industrial supply company founded in 1927 in Chicago by William W. (Bill) Grainger. He founded the company to provide consumers with access to a consistent supply of motors. [6] The company now serves more than 4.5 million customers worldwide [4] with offerings such as motors, lighting ...
A set of 20 points in a 10 × 10 grid, with no three points in a line. The no-three-in-line problem in discrete geometry asks how many points can be placed in the grid so that no three points lie on the same line. The problem concerns lines of all slopes, not only those aligned with the grid. It was introduced by Henry Dudeney in 1900.
Bank and train robberies. The Dalton Gang was a group of outlaws in the American Old West during 1890–1892. It was also known as The Dalton Brothers because four of its members were brothers. The gang specialized in bank and train robberies. During an attempted double bank robbery in Coffeyville, Kansas in 1892, two of the brothers and two ...
The pigeon drop or Spanish handkerchief or Chilean handkerchief is a confidence trick in which a mark, or "pigeon", is persuaded to give up a sum of money in order to secure the rights to a larger sum of money, or more valuable object. [2][3][4][page needed] One of the con artists will typically claim to have found the money or valuable on the ...