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 the error function, or erf("z"). This table gives a probability that a statistic is greater than Z. This table gives a probability that a statistic is greater than Z, for large integer Z values. A professor's exam scores are approximately distributed normally with mean 80 and standard deviation 5. Only a "cumulative from mean" table is available. 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