More Lessons for A Level Maths

Math Worksheets

Here, we have a collection of videos, activities and worksheets that are suitable for A Level Maths.

How to finding E(X) and Var(X) for discrete probability distributions?

A-Level Statistics : Edexcel S1 January 2007 Q3a,b

The question is on discrete probability distributions, finding E(X) and Var(X).

This is the worked solution to question 3c,d,e from the Edexcel Statistics S1 paper for January 2007. The question is on discrete probability distributions, finding E(X) and Var(X).

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