himcm是什么競賽？藤校G5都認可！
全美一半以上的專業機構資助與認證,數學類含金量最高的國際學術活動之一,全球影響力最大的中學生數學學術活動之一,“藤校”、“G5”名校的申請利器，究竟是哪個活動有如此硬氣的背景？那就是美國高中生數學建模學術活...
教育部欽點白名單賽事，2022中學生水科技發明比賽報名中！
水是人類生命的源泉但水污染已經成為全球性的問題 保護水資源對人類、對地球的意義重大 “美麗中國，我是行動者” 面向國內在校中小學生 被教育部納入全國性科創賽事“白名單” 全國中學生水科技發明比賽? 火熱報名中...
英國大學申請系統ucas發布2022年最新數據！
英國大學申請系統ucas近日發布《2022年英國本科申請數據》，中國大陸學生申請量再創歷史新高。 中國大陸申請量大漲10% 根據UCAS今天剛剛發布的申請數據，2022年中國大陸通過UCAS申請英國本科的學生人數共31,400人...
IB DP Maths: AI HL復習筆記4.6.1 Linear Combinations of Random Variables
Transformation of a Single Variable What is Var(X)? Var(X) represents the variance of the random variable?X Var(X) can be calculated by the formula You will?not be required?to use this formula in t...
IB DP Maths: AI HL復習筆記4.5.2 Expected Values
Expected Values E(X) What does E(X) mean and how do I calculate E(X)? E(X)?means the?expected value?or the?mean?of a?random variable X The expected value does not need to be an obtainable value of?...
IB DP Maths: AI HL復習筆記4.5.1 Discrete Probability Distributions
Discrete Probability Distributions What is a discrete random variable?? A?random variable?is a variable whose value depends on the outcome of a?random event The value of the random variable is not ...
IB DP Maths: AI HL復習筆記4.4.3 Sample Space Diagrams
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate?events?from an?experiment?and are particularly useful when there is an overlap between possible?outcomes A Venn diagram c...
IB DP Maths: AI HL復習筆記4.4.2 Conditional Probability
Conditional Probability What is conditional probability? Conditional?probability?is where the probability of an?event?happening can vary depending on the outcome of a prior event The event?A?happen...
IB DP Maths: AI HL復習筆記4.4.1 Probability & Types of Events
Probability Basics What key words and terminology are used with probability? An?experiment?is a repeatable activity that has a result that can be observed or recorded Trials?are what we call the re...
IB DP Maths: AI HL復習筆記4.3.3 Linearising using Logarithms
Exponential Relationships How do I use logarithms to linearise exponential relationships? Graphs of?exponential functions?appear as straight lines on?semi-log graphs How can I use linearised data t...
IB DP Maths: AI HL復習筆記4.3.2 Logarthmic Scales
Logarithmic Scales What are logarithmic scales? Logarithmic scales?are scales where intervals?increase exponentially A normal scale might go 1, 2, 3, 4, ... A logarithmic scale might go 1, 10, 100,...
IB DP Maths: AI HL復習筆記4.3.1 Non-linear Regression
Non-linear Regression What is non-linear regression? You have already seen that?linear regression?is when you can use a straight line to fit bivariate data Non-linear regression?is when you can use...
