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  1. whatsmyname

    CIE S1 Book help on Probability and Expectation & Variance Questions

    Misc Ex 4, question no 8 page 81 - Probability: P(A)=13/25, P(A')=12/25 P(B)=9/25, P(B')=16/25 P(A/B)=5/9 (<- conditional probability for A occuring given B has already occured), P(B/A)=5/13, P(A and B)=1/5, I could solve the question until here. Now, it asks for P(A or B or Both)...
  2. whatsmyname

    The Legendary fx-991ES

    OK this here is my basic guide on utilizing the abilities of this calculator, which i believe is mandatory for A-Levels/IB students, unless you already have a graphic calculator, which will outperform this one. There are many more things, which you may learn from its manual. Also...
  3. whatsmyname

    Thinking Skills Quetsion

    the question comes first, followed by my crude solution which doesn't admittedly show strong thinking but does the job. what i dont understand is the yellow underlined parts. why does it say that we have to add the full lenght of the end link and why does it subract 1.2 exactly and then add 1 to...
  4. whatsmyname

    GT for commerce subjects

    predict the grade threshholds for AS and A levels, as in all components for: 1. Accounts 2. Business Studies 3. Economics thanks...
  5. whatsmyname

    TSA

    i think it'd be great if xtremepapers had a section on TSA...many people find it hard to prepare and the authorities are determined to make sure there's no material to prepare for it...and a lot of people's admission hopes hinges on the exam. so why not work together to compile a database here...
  6. whatsmyname

    Accounts MCQ answers

    hey guys does someone have the answers to account paper 1's for the 2002 summer and winter session becoz i cant seem to find it on the internet or on this site and i need help on it...kindly post a link or mayb the answers?? thanks in advance
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