Edexcel S2 Tutorial 3 - Continuous Random Variables

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Tutorial 3 in our crash course of A level S2
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Thanks for this and I thought I'd mention to anyone who are unaware but the E(X) and Var(X) function are in the formula booklet 

Nush
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Brilliant tutorial, but on the last question wasn't the integral supposed to be 3/30x^3 ?

justiraqi
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thnx a lot .u teach better than my teacher

finemenbd
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Sir, at 1:12:15, F(x) should be equal to 9x^2/20 - 3x^3/30 instead of 9x^2/20 - 3x/30 (like Kay A mentioned already)...

Sidant
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Cheers sir. Very helpful. Are you doing S3?

NerdNish