Liu Chuang (snooker player) Liu Chuang (snooker player) Liu Chuang (Chinese: 刘闯, pinyin: Liú Chuǎng, born 6 June 1990) is a Chinese former professional snooker player. Liu grew up in Liaoning province in northeast China. Near his parents' house there was a snooker table and when he was 10 he played on it and liked it a lot. His father noticed his potential, and supported him as did the person who owned that table, who became his first coach. When he was 13, Liu travelled thousands of miles to play in southern China, where there were more professionals. There he improved and began to
Standard normal table Standard normal table A standard normal table, also called the unit normal table or Z table, is a mathematical table for the values of Φ, which are the values of the cumulative distribution function of the normal distribution. It is used to find the probability that a statistic is observed below, above, or between values on the standard normal distribution, and by extension, any normal distribution. Since probability tables cannot be printed for every normal distribution, as there are an infinite variety of normal distributions, it is common practice to convert a normal to a standard normal and then use