2022年马歇尔学会经济论文比赛投稿本周截止，最后3天！
马歇尔学会经济论文比赛 距离投稿结束仅剩3 天！ 马歇尔学会经济论文比赛 马歇尔学会经济论文学术活动（Marshall Society Essay Competition）由英国剑桥大学经济学会举办，成立于1927年，该学术活动针对全球A Le...
CIE A Level Maths: Probability & Statistics 2复习笔记1.1.1 Sampling & Data Collection
Sampling Techniques What is a population, a sample and the difference between them? The population refers to the whole set of things which you are interested in e.g. if a vet wanted to know how lon...
CIE A Level Maths: Probability & Statistics 1复习笔记3.4.2 Normal Approximation of Binomial
Normal Approximation of Binomial When can I use a normal distribution to approximate a binomial distribution? Why do we use approximations? If there are a large number of values for a binomial dist...
CIE A Level Maths: Probability & Statistics 1复习笔记3.4.1 Modelling with Distributions
Modelling with Distributions When should I use a binomial distribution? A random variable that follows a binomial distribution is a discrete random variable A binomial distribution is used when the...
CIE A Level Maths: Probability & Statistics 1复习笔记3.3.3 Normal Distribution - Calculations
Normal Distribution - Calculations Calculating Normal Probabilities How do I find probabilities using a normal distribution? It is likely that your calculator has a function that can find normal pr...
CIE A Level Maths: Probability & Statistics 1复习笔记3.3.2 Standard Normal Distribution
Standard Normal Distribution What is the standard normal distribution? The standard normal distribution is a normal distribution where the mean is 0 and the standard deviation is 1 It is denoted b...
CIE A Level Maths: Probability & Statistics 1复习笔记3.3.1 The Normal Distribution
Properties of Normal Distribution The binomial distribution is an example of a discrete probability distribution. The normal distribution is an example of a continuous probability distribution. Wha...
CIE A Level Maths: Probability & Statistics 1复习笔记3.2.3 The Geometric Distribution
Properties of Geometric Distribution What is a geometric distribution and its notation? A geometric distribution is a discrete probability distribution Each trial has only two outcomes Broadly labe...
2023年CCC加拿大化学挑战新赛季比赛时间已公布，CCO竞赛下月开启！
众所周知，国际化学学术活动的经历可以帮助大家充分展现自己对化学的兴趣和热情，尤其在申请化学、制药、分子科学等相关领域占据优势。而随着USNCO美国化学奥赛取消中国考点，知名度和含金量兼具的化学学术活动屈...
