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  1. Y

    Mathematics: Post your doubts here!

    So 7/24 is accepted even though it is not written in the marking scheme?
  2. Y

    Mathematics: Post your doubts here!

    Thanks. Q1 Is it okay to write the probabilities in simplified form? For eg P(0)= 7/24 instead of 210/720? http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w12_qp_61.pdf
  3. Y

    Mathematics: Post your doubts here!

    Can someone explain this?
  4. Y

    Mathematics: Post your doubts here!

    For q7) Yes you have got the idea.
  5. Y

    Mathematics: Post your doubts here!

    Q6ii) Firs you need to find the probability of lengths more than one standard deviation from mean. To get this idea, imagine the STANDARD NORMAL DISTRIBUTION curve in which 0 is the mean. When it says more than one standard deviation from mean, it means more than +1 and -1 from the mean 0. See...
  6. Y

    Mathematics: Post your doubts here!

    Can anyone explain why they gave Z= 1.882 and p=0.97? Q5) I) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w11_qp_61.pdf
  7. Y

    Should I take Accounting AS A Level or IGCSE?

    Hey everyone. I am planning to take Accounting courses for this summer however I do not know if I should take Accounting AS or IGCSE courses. I never studied Accounts before, but I want to give it a try for this June to October for the ON 2013 exam. I know IGSCE covers the basics and AS is the...
  8. Y

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w10_qp_63.pdf Can some one explain q6 iii)
  9. Y

    Computing 9691 post your doubts here

    Computing 1 is on Wednesday people!
  10. Y

    Mathematics: Post your doubts here!

    Can someone explain Q7) b) i) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_qp_11.pdf
  11. Y

    Mathematics: Post your doubts here!

    Thanks
  12. Y

    Mathematics: Post your doubts here!

    Can some explain this Permutation question q5 a) ii) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w09_qp_61.pdf Why is it 1 x 6 ^ 3?
  13. Y

    Physics: Post your doubts here!

    Can some one explain Q 3 b iii) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w11_qp_21.pdf
  14. Y

    Mathematics: Post your doubts here!

    Can anyone explain Q1 i) ii) iii) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s10_qp_11.pdf
  15. Y

    Mathematics: Post your doubts here!

    Thank you for your help as it really was useful.
  16. Y

    Mathematics: Post your doubts here!

    Can someone explain these two questions of 2 past papers: Q5 i) Just q i http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w08_qp_1.pdf Q4 part i)...
  17. Y

    Physics: Post your doubts here!

    First consider the forces acting on the pivot: 1. Tension in string making an anticlockwise moment 2. Weight of string at 50 cm mark (it is a uniform scale therefore force the centre of gravity is exactly halfway)-making clock wise moment 3. Weight of the 50 g mass to be added making a clockwise...
  18. Y

    Physics: Post your doubts here!

    Can anyone explain q 14 http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_12.pdf
  19. Y

    Mathematics: Post your doubts here!

    Can some one help me in q11 ) iii) and iv) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s10_qp_12.pdf
  20. Y

    Physics: Post your doubts here!

    Can some one explain this urgently: q 4) b) i) ii) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w10_qp_22.pdf
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