EDEXCEL S1 IAL JAN 2019 Q5d-f Discrete Random Variables Probability Distributions

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Thank you so much helping alot in s1 revision. Waiting for some more video

nallurisreekar
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For f, why do we have to divide by 80 for the actual ?

xizhej
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how did he get the value for missing the throw

usmanmujahid
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sir ur amazing!! can u do like a revision of the whole s1 syllabus ?

zuhaibazam
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Thank you for your videos sir, they were very helpful. Have you uploaded the 6th question solutions? I can't seem to find the mark scheme if this paper online.

swaggerjackish