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  1. P

    add maths trignometry

    for all of u guyz.................. O LEVEL Additional Mathematics Classified Questions and answers http://olevel-alevel.blogspot.com/2013/04/o-level-additional-mathematics.html
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    A level Statistics doubt??Post your doubts here!

    p ( even number and score 12) = ((2/5)*(1/9)) = 2/45 p(odd and 12) = (3/5) * (1/36) = 1/108 p(12 as score) = 29/540 p(even|12) = (2/45) / (29/540) = 24/29 . plz tell me if i am corect.
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    A level Statistics doubt??Post your doubts here!

    see i wrote 3 x 2 already coz we need extra permutaitions...we divide by 3! when we dont want repitition..... we already eliminate repetition here...i m sorry but i dont know how to explain
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    A level Statistics doubt??Post your doubts here!

    _ A (GG) E _E_E_N_R_ 6 7 3 2 5 4 3 2 1 6 X ((7x3x2x5x4x3x2x1)/3!) = 5040
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    A level Statistics doubt??Post your doubts here!

    no Ps mean we have 7 to choose from..... either one S .... only 5 to choose (as 1 chosen and another cant be chosen) from so 5C3 = 10 EITHER 2 S..... ONLY 5 to choose (as both chosen ) from so 5C2 = 10 total = 10+10 = 20.
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    A level Statistics doubt??Post your doubts here!

    1st of all when converting binomial to normal : 1. np and npq should be greater than 5 to be suitable to normal dist. 2. X~N(np ,npq) will ne the distribution of X. 3. Use continuity correction as we have to be accurate : if p(X>5) ... We will calculate p(X>5.5)..... if its p(x<5) we...
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    A level Statistics doubt??Post your doubts here!

    Stick 2 Gs together and permute A(GG)EEENR then fit in the 3rd G so that it is not next to (GG). There are 6 possible places. Total number of perms is [7!/(3!)]6=5040.
  8. P

    Mathematics STATS S1

    click on blue download button... additional materials: http://olevel-alevel.blogspot.com/2013/04/as-level-pure-math-and-statisics.html http://olevel-alevel.blogspot.com/2013/04/alevel-mathematics-course-material.html http://olevel-alevel.blogspot.com/2013/03/asalevel-statistics-lecture-notes.html
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    A level Statistics doubt??Post your doubts here!

  10. P

    A level Statistics doubt??Post your doubts here!

    sorry if i m not neat.....
  11. P

    A level Statistics doubt??Post your doubts here!

    it is ... not after calculation but b4 that... its what my sir taught
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    A level Statistics doubt??Post your doubts here!

  13. P

    Mathematics Stats Paper 6 Help

    can u post the particular question??
  14. P

    A level Statistics doubt??Post your doubts here!

    sorry i m not neat!
  15. P

    Statistics....Post your doubts here!

    Guyz this is an individual thread for stats paper 6 .... post ur doubts here and post link if its in the past papers.
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    Mathematics STATS S1

    Book can be downloaded from here: http://www.2shared.com/document/2yRAvzov/A_Concise_Course_in_A-Level_St.html
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    Economics Paper 2 9708 ... POST YOUR DOUBTS HERE!

    Post ur doubts here for eco paper 2 on 21st may 2013... which is in approx 5- 6 days..
  18. P

    Economics Paper 2 9708 ... POST YOUR DOUBTS HERE!

    Eco paper 2 is on 21 st May....in approx 5 - 6 days... post ur doubts here... in this thread!
  19. P

    Economics, Accounting & Business: Post your doubts here!

    XED = %AGE IN DEMAND OF Y / %AGE CHANGE IN PRICE OF X & AGE CHANGE IN Y : ( (30-20)/20 ) * 100 = 1/2 *100 = 50% % age change in X : ( (10-8) / 8) *100 = 2/8 *100 = 25 % XED = 50 / 25 =2.0 Thus answer is C
  20. P

    Economics, Accounting & Business: Post your doubts here!

    Bank Opening + Total Receipts - Total Payments made = Bank bal . at end 4000 + 207100 - 179768 = $ 31332 $ 31332 is the Bank balance at end of the year.
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