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  1. tanmaydube

    Here, the notes of Statistics 2 (Paper 7)! Have a look!

    There were very few notes for this paper so I though of sharing with you guys! Might help!
  2. tanmaydube

    Statistics Paper S2 (Paper 7) notes needed please!

    Can anyone share S2 notes? Thanks a lot!
  3. tanmaydube

    English Language last minute advice!

    Please guys tell me the points that I have to keep in mind for Paper 2.
  4. tanmaydube

    Statistics P6 : post your doubts here!

    Guys please discuss P6 doubts here after P12 i guess i need to work hard for this paper. The heights, x cm, of a group of young children are summarised by Σ(x − 100)2 = 499.2. Σ(x − 100) = 72, The mean height is 104.8 cm. (i) Find the number of children in the group.(Ans 15) (ii) Find Σ(x...
  5. tanmaydube

    Bad result in AS level what to do?

    I had 4 subjects, got the following grades C in Physics D in Mathematics E in Chemistry U in English Language I am very uncertain, please help me! I guess I should repeat mathematics, chemistry and e.l. but i was wondering whether the CIE chooses the best result or the second time result for...
  6. tanmaydube

    as geometric sequence help please

    q1) If x, y and z are the first three terms of a geometric sequence, show that x^2, y^2 and z^2 form another geometric sequence. q2)Different numbers x,y and z are the first three terms of a geometric progression with the common ratio r, and also the first, second and forth terms of an...
  7. tanmaydube

    binomial distribution (as level) help thank you!

    (6) Charlie finds that when she takes a cutting from a particular plant, the probability that it roots successfully is 1/3. Find the number of cuttings that she should take in order to be 99% certain that at least one cutting root successfully.(Ans=12). THANK YOU!
  8. tanmaydube

    Probability Distribution help fast

    Exam marks, X, have mean 70 and standard deviation 8.7. The marks need to be scaled using the formula Y = aX +b so that the scaled marks, Y, have mean 55 and standard deviation 6.96. Find the values of a and b.(ans: a=0.8 and b=1) thank you for helping!
  9. tanmaydube

    as sequence help please

    q1) The r th term of an arithmetic progression is 1+4r. Find, in terms of n, the sum of the first n terms of the progression.(Ans: n(2n+3) ) q2)The sum of the first twenty terms of an arithmetic progression is 50 , and the sum of the next twenty terms is -50. Find the sum of the first hundred...
  10. tanmaydube

    stats help as level

    Find how many different odd 4-digit numbers less than 4000 can be made from the digits 1, 2, 3, 4, 5, 6, 7 if no digit may be repeated. question of permutation and combination
  11. tanmaydube

    i can't download any notes

    Guys I am trying to download notes but I can't please help. I t shows the error "Unable to deliver file." Thanks Guys! Great to see the forum back.
  12. tanmaydube

    Statistics help (as level)

    4. For the data set: x – 4 , x + 4 , x – 6 , x – 6 , x + 6 , x + 12; find (i) The median (ii) The mean (iii) The variance. THANK YOU!
  13. tanmaydube

    AICE HELP!!!!!!!

    MY SUBJECTS: english language mathematics physics chemistry I am thinking to take Business Studies so will I get AICE will AICE be beneficial for admission in universities! and one more question will SAT preparation help me with my vocabulary and help me get good grades in ENGLISH LANGUAGE...
  14. tanmaydube

    Physics multiple choice help

    http://xtremepapers.net/CIE/index.php?d ... 2_qp_1.pdf Q3 3 Which formula could be correct for the speed v of ocean waves in terms of the density ρ of sea- water, the acceleration of free fall g, the depth h of the ocean and the wavelength λ? Please hep it is urgent THANK YOU!
  15. tanmaydube

    as physics help please happy friendship day guys

    Please help me these two questions: Q1) In a driving manual, it is suggested that, when driving at 13ms^-1(about 45 km per hour), a driver should always keep a minimum of two car-lengths between the driver's car and the one in front. A)Suggest a scientific justification for the safety tip...
  16. tanmaydube

    AS level maths help!

    I cannot solve this question can anybody help me in this chapter- coordinates, points and lines this question is from the book pure mathematics 1, chapter 1, miscellaneous exercise 1, question no. 4, part (b) A(7,2) and C(1,4) are the two vertices of a square ABCD. (a) Find the equation of the...
  17. tanmaydube

    environmental management paper 4

    How to prepare for this paper? Any links or tips or points to remember?
  18. tanmaydube

    Please help me with environmental management!

    Is there any notes or tips for this subject! Please discuss guys...
  19. tanmaydube

    Physics doubts!

    Paper 3 October November 2001 5(a) can anyone please explain what to do? Thank you!
  20. tanmaydube

    English Extended paper help 500/02/o/n/07

    Please help me in question 1 that is to write a newspaper report in passage a at page no.4
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