Edexcel IAL S2 2025 Jan: Real-Time Unseen Paper Walkthrough

🙏 I want nothing more than a subscribe from you 🙏 If you are interested in private online classes 👨‍🏫, email 📧 me at [email protected] You wont regret it 😉. chapters 00:00:00 Introduction 00:00:27 Q1(a) Binomial Distribution Calculating Probability 00:01:56 Q1(b) Poisson Approximation Estimating Probability 00:05:55 Q1(c) Poisson Approximation Calculating Percentage Error 00:06:52 Q1(d) Poisson Approximation Stating Conditions 00:07:27 Q1(e) Poisson Distribution Solving for Lambda 00:10:44 Q2(1) Statistics Defining a Statistic 00:12:13 Q2(2) Sampling Distribution Calculating Probability 00:14:08 Q2(3)(a) Combinations Listing All Combinations 00:15:31 Q2(3)(b) Random Variables Listing Possible Values 00:16:41 Q2(3)(c) Sampling Distribution Finding Distribution 00:19:02 Q3(a) Uniform Distribution Finding PDF 00:20:11 Q3(b) Uniform Distribution Sketching PDF 00:20:53 Q3(c) Uniform Distribution Finding the Mean 00:21:21 Q3(d) Uniform Distribution Finding CDF 00:24:31 Q3(e) Random Variables Finding Expected Value 00:26:34 Q3(f) Uniform Distribution Calculating Probability 00:28:55 Q4(1)(a) Algebraic Integration Finding Expected Value 00:30:31 Q4(1)(b) Variance Calculating Variance 00:31:25 Q4(2)(a) Binomial Distribution Probability Using Quartiles 00:35:59 Q4(2)(b) Binomial Distribution Probability Using Quartiles 00:37:28 Q5(a)(i) Poisson Distribution Calculating Probability 00:39:08 Q5(a)(ii) Poisson Distribution Calculating Probability 00:40:06 Q5(b)(i) Hypothesis Testing Stating Hypotheses 00:41:00 Q5(b)(ii) Hypothesis Testing Finding Critical Region 00:44:24 Q5(b)(iii) Hypothesis Testing Stating Conclusion 00:46:15 Q6(a) Binomial Distribution Finding Variance 00:46:59 Q6(b) Normal Approximation Proving a Result 00:54:34 Q6(c) Normal Approximation Finding Probability P 00:55:33 Q7(a) Continuous Random Variables Sketching PDF 01:00:15 Q7(b) Continuous Random Variables Finding Mode 01:00:39 Q7(c)(i) Algebraic Integration Proving K Value 01:02:01 Q7(c)(ii) Numerical Methods Verifying Quartile Range 01:07:38 Marking and Review 01:19:07 Final Thoughts 01:25:50 Outro #edexcelmaths #ialmath