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  1. sma786

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s10_qp_62.pdf Question 2, (ii), we found p as 0.854 in part i, so in part (ii), why did they take q as 0.854? :confused:
  2. sma786

    Mathematics paper 6 (Stats)

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_62.pdf Question 6, (i), in the markscheme, why did they take z as -1.282? shouldn't we take the value for 0.1 as it says 10% ?
  3. sma786

    Mathematics paper 6 (Stats)

    ohk yeah point, i spent like an hour trying to do it the other way :p thanks!
  4. sma786

    Thanks girl :) !

    Thanks girl :) !
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  5. sma786

    Mathematics paper 6 (Stats)

    yup, but see the ms says not this.. look http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_ms_62.pdf Question 4, (i)
  6. sma786

    Mathematics paper 6 (Stats)

    Find the number of different ways that the 9 letters of the word HAPPINESS can be arranged in a line. in the markscheme, it dosent allow 9!/2!*2! :unsure: (Answer: 90720)
  7. sma786

    Mathematics paper 6 (Stats)

    got it (y)
  8. sma786

    InshAllah ^_^

    InshAllah ^_^
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  9. sma786

    Mathematics paper 6 (Stats)

    syed1995 i need to know where in normal distribution, do we have to do 1-ans :(
  10. sma786

    Mathematics paper 6 (Stats)

    junaidj no one replies for stats there :(
  11. sma786

    Mathematics paper 6 (Stats)

    Who's giving paper 6 this year? I need some doubt clearance ! :(
  12. sma786

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_qp_62.pdf Question 3, (ii), how did they get the probability 0.87?
  13. sma786

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_qp_62.pdf Question 1, why did they multiply 150 with s.d^2 ? Is there any formula? (stats)
  14. sma786

    lolol

    lolol
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  15. sma786

    People Of xtremepapers! WAZZAP. I'm new here yay.

    You guys talking about O or A level exams?
  16. sma786

    Allah, help me with my Statistics exams please (^_^)

    Allah, help me with my Statistics exams please (^_^)
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  17. sma786

    Physics 9702/21

    i got 45.8 :eek:
  18. sma786

    Physics 9702/21

    just used the simple formula f=ma, i thiiinkkk it was something like 1.5N what was ur answeR?
  19. sma786

    Physics: Post your doubts here!

    Thnkss
  20. sma786

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_21.pdf Question 5, b(ii), why for R they divided 0.9 by 1 ? then why *4?
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