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  1. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Hmmm...does anyone remember the examples given in the question 7? Do you remember the last three parts of Q11 statements?
  2. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    I don't know but I think the question said that the number after getting a six would count, and that six would also count. That's how I attempted the question.....by that logic getting a 6 on the first dice roll was necessary to make it upto 16.
  3. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    No it was 5/216 as there were only 5 different sequences of getting a score more than 15 (i.e from 16-18) (6,6,6) (6,6,5) (6,6,4) (6,5,6) and (6,4,6)
  4. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Okay I'm going to post the answer of Q7 the third time! The probability of winning $8 was 5/216 The question said that the probability of not winning was 5/6. So probability of winning was 1/6. So 1/6= P($2) + P($8) 1/6=P($2) + 5/216 So P($2) was 31/216 Next expected prize=...
  5. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Why is my comments being removed??
  6. W

    Pakistan studies Paper 1 tommorow

    History paper is history now. Time to Study for Geography!
  7. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    i didn't do the last two parts no time left. Spent about 40 mins on Q7. But I think I did the third last part correct. Atleast I got a answer that made sense.
  8. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    I'm actually happy that atleast one person in this forum attempted Q7 as I did. But I'm too afraid to discuss the answers even when 24hrs pass :fool:
  9. W

    Expected Marks in Stats paper 1. Be honest!

    85 marks (rounded to the nearest 5). Actual boundaries are 82.5-87.5. Will need interpolation to find the estimate of my marks...
  10. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Are you people still stuck on Paper 1???
  11. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Kind of stupid that I didn't manage to read the question properly but honestly the qasr noor hall was very distracting.
  12. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Sorry but I can't confirm because I don't remember my own answer.
  13. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    I just wrote that the difference between the median and the Quartile ranges was about the same so the median would be similar to mean. I ignored the 90th percentile, as if we had to use it we should have been given the 10th percentile also to make a comparison.
  14. W

    Pakistan studies urgent help

    I think Huma Naz Sethi's book is better. The book does cover all that is in syllabus but sometimes gives irrelevant material. Like the chapter on Mineral Resources, only Limestone, Gypsum and Rock salt are in syllabus but it tells about Clay, Marble etc. If you need extra information about...
  15. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Guys, this thread is for discussing answers, not for judging people!
  16. W

    Pakistan studies Paper 1 tommorow

    Yeah that was correct. Mentioning Gandhi meeting with Irwin was important in this question. It was a repeat from June 2008 and Nov 01. However it have been answered poorly in the past. I'm going to quote from the Examiner Report from June 2008. Again, alas, some candidates failed to read the...
  17. W

    4040 Statistics 2011 and Paper discussion after 24 hours

    Why are you multiplying 23/24 three times??? The question just asked the probability "XYZ" won the prize the second time. Which is equal to just (23/24)*(1/24)
  18. W

    Pakistan studies Paper 1 tommorow

    I really hope so since I did quite the same but I don't think so. I mean the question was just asking what educational reform, social, religious reform had the most affect upon the Indians from 1767-1856 (I don't remember the wording correctly but it was quite the same). I wrote all the...
  19. W

    Pakistan studies Paper 1 tommorow

    Haha...they gave this Titu Mir question so that all the students appearing next year will buy the Nigel Smith book! Very clever move by CIE.
  20. W

    Pakistan studies Paper 1 tommorow

    I haven't touched section 3 at all. I'm so scared.
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