Keno

KENO is a gambling game that originated in the Empire of China.

Etymology

The name Keno is of Chinese origin, but is derived from French quine, the abbreviation for the Quinterne, that is five right in the classic Lotto 5 of 90 (after Merriam- Webster's Collegiate Dictionary ), this is clear if one english Keno quine and french pronounce.

History

The original form of keno game to have been almost 2200 years ago by the Chinese Cheung Leung invented and introduced to finance the Great Wall.

Instead of numbers then had a choice of 120 Chinese characters can be guessed. The draw was such that white doves from a stack of note with the appropriate character some picked out - this type of contraction is still common in many regions of Asia. The game was therefore called the " White Dove Game ," may be the name derives from but also from the fact that the results of carrier pigeons to in distant villages were brought.

Beginning of the 20th century, it brought Chinese workers in the United States. The Chinese characters have been replaced by numbers and reduce the number from 120 to 80.

Situation in Germany

Today it is played in different variations around the world. KENO came to the USA to Germany. It is currently played in all provinces, in Saxony -Anhalt only since March 4, 2013, and offered through the regional lotteries.

From 70 numbers (in the USA 80) 20 are pulled, the player can tap two to ten numbers. On the use of 1, 2, 5 or 10 euros deleted after a fixed odds win up to 1,000,000 euros (at 10 euros and 10 use correctly picking numbers). The odds for the top prize are much better than in Lotto - 1:2.147.179 at KENO (10 right ) compared to 1:139.838.160 (6 right plus bonus number on lotto 6 out of 49 ).

The first KENO - making in Germany was held on 2 February 2004. At that time, players could in the states of Hesse, Rhineland -Palatinate and Saarland give lottery tickets. The KENO numbers were determined from Monday to Saturday. Since 13 June 2010, the KENO numbers are calculated daily, and again on Sunday. The draw will take place at 19:10 o `clock in the rooms of the lottery trust mbH Hessen in Wiesbaden and is public. The broadcast of the draw will take place on the Keno homepage.

Profit opportunities

The probability is derived from the hypergeometric distribution and thus corresponds to the principle of calculating the famous Lotto 6 49 This is the basic set of possible numbers, the number of samples taken. denotes the number of selected numbers and corresponds to the Kenotyp, a natural number 2 to 10 Substituting we find the probability that among these are exactly right. For example, the probability below 10 selected numbers have exactly 3 right thing: how can also be read in the table above.

The general formula for all probabilities of Kenotyps n is:

Expected value

Here is a table with the exact values ​​in a game with the use of 1 € and 10 € with a fee of 0.25 €.