IB DP Maths: AA SL復習筆記4.4.2 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: AA SL復習筆記4.4.1 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 ...
四門AP物理有什么區別？一文帶你全面解讀
作為AP科學類中的頂梁柱，AP物理可謂是撐起了科學類的半邊天。但是新手小白在剛開始面對4門AP物理時總是傻傻分不清楚：這幾門到底要學什么內容，彼此之間又有哪些異同？在選擇的時候應該如何做好取舍呢？ AP物理1...
Edexcel IGCSE Physics 復習筆記 1.2.3 Resultant Forces
Edexcel IGCSE Physics 復習筆記 1.2.3 Resultant Forces Calculating Resultant Force A?resultant force?is a single force that describes all of the forces operating on a body When many forces ar...
IB DP Maths: AA SL復習筆記4.3.3 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...
AQA A Level Maths: Mechanics復習筆記3.2.2 Connected Bodies - Ropes & Tow Bars
Connected Bodies - Ropes & Tow Bars What are connected bodies/particles? The phrase?connected?particles?refers to situations where?two?(or more) bodies (objects) are connected in some wa...
IB DP Maths: AA SL復習筆記4.3.2 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...
Edexcel IGCSE Physics 復習筆記 1.2.2 Scalar & Vectors
Edexcel IGCSE Physics 復習筆記 1.2.2 Scalar & Vectors Scalar & Vector Quantities All quantities can be one of two types: A?scalar A?vector Scalars Scalars are quantitie...
AQA A Level Maths: Mechanics復習筆記3.2.1 F = ma
F = ma What is Newton’s First Law of Motion (N1L)? An object at rest will stay at rest, and an object moving with constant?velocity?will continue to move with constant velocity, unless an un...
