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Recent content by crash250

  1. C

    A level statistics. (Paper 7)

    actually if u r really answering almost all the questions in th text book u will see that most of the questions comes from it..i have seen alot sofar forget about STUDYING ur pastpapers for me they r useless, i just revise all of them once and thatsall , i just bother about text..since it is the...
  2. C

    maths S2 students

    how to calculate the percentage error
  3. C

    maths S2 students

    do we need to have general knowledge about the sampling and whether the sampling is siutable or not by giving reasons???????
  4. C

    maths S2 students

    its ok but we need to discuss any imp questions which are usually asked
  5. C

    maths S2 students

    guys those who r going to to math S2 on 31 may , we need to discuss alot of things ..especially the continous random wariable, when we square the Var(X) and when we just add it???? it somewhat confusing,,also the sampling do we must know the methods of sampling and wht difference b/w pop variane...
  6. C

    Stats 1 Preparation

    i didnt get u remz about the 68-95-99.99
  7. C

    MODULUS IN S1

    i did it this way P( |t|>M+1)
  8. C

    MODULUS IN S1

    no!!...i have seen it. u can check oct/nov 2010 paper 63 Q7ii !!!!!
  9. C

    MODULUS IN S1

    like we have seen it in the normal distribution for example
  10. C

    MODULUS IN S1

    do we have to use modulus in S1??? if there any question related to modulus...how it will be asked in an indirect way
  11. C

    S1 question

    ahmed for part two its 1/30 not 1/3 in the binomal expression
  12. C

    S1 question

    hehehe..i wonderful analyzing ahmedy..got it i will be posting some other permutation and combination questions here so that everyone can have an idea..
  13. C

    S1 question

    why we dont take them both and just add them why we have take n only one ahmed
  14. C

    S1 question

    is it 10C4 or 10C6
  15. C

    S1 question

    ten people in two cars travel: a saloon and mini . if the saloon has seats for six and the mini has seats for four.in how many ways in which the party can travel.assuming order of seating does not matter and all ppl can drive?????
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