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# Edexcel S2 Exam Paper January 2011 14/01/11 Watch

1. (Original post by snowflakesblues)
The grade boundaries seem to get higher and higher every year
67 for an A I reckon
2. (Original post by beeristhebest)
67 for an A I reckon
65/66 Max I think. May get to 67, but because of q.no.2, doubt it.
3. It'll be no higher than 63 I'd say. The paper had a few trick Q's (Q 2, Ex^2 an the negative probability with 40 obeservations)
4. I doubt it'll be as high as 67, but who knows. Marking my answers using the unofficial mark scheme, I probably got somewhere between 62 and 67, so I suppose I did well having done one half-assed past paper just before the exam.
5. This tme last year, D1 got a grade boundary of 67 for an A and that was as hard as this test. S2 last January had a grade boundary of 65 and I found that paper about the same, but that's only my opinion.

It'll be interesting to read the examiner report for S2 especially Q2!

Anyone else doing C4 and M2 this January?
6. (Original post by chaz1992)
This tme last year, D1 got a grade boundary of 67 for an A and that was as hard as this test. S2 last January had a grade boundary of 65 and I found that paper about the same, but that's only my opinion.

It'll be interesting to read the examiner report for S2 especially Q2!

Anyone else doing C4 and M2 this January?
I'm doing C4.
7. (Original post by chaz1992)
This tme last year, D1 got a grade boundary of 67 for an A and that was as hard as this test. S2 last January had a grade boundary of 65 and I found that paper about the same, but that's only my opinion.

It'll be interesting to read the examiner report for S2 especially Q2!

Anyone else doing C4 and M2 this January?
I'm doing C4 and M2.
8. (Original post by chaz1992)
This tme last year, D1 got a grade boundary of 67 for an A and that was as hard as this test. S2 last January had a grade boundary of 65 and I found that paper about the same, but that's only my opinion.

It'll be interesting to read the examiner report for S2 especially Q2!

Anyone else doing C4 and M2 this January?
I'm doing M2
9. (Original post by chaz1992)
This tme last year, D1 got a grade boundary of 67 for an A and that was as hard as this test. S2 last January had a grade boundary of 65 and I found that paper about the same, but that's only my opinion.

It'll be interesting to read the examiner report for S2 especially Q2!

Anyone else doing C4 and M2 this January?

But yeah, I think it will be 65/66 at most for an A, or else the 90 UMS would be not far off.

I am doing M2, so nervous, wasn't good in M1, M2 no difference!
10. Am doing a C4 past paper, and i've forgotten everything :s

*off to youtube to watch integration videos*
11. 3 more exams to go!
12. For question 1a) for the two reasons why it shpould be distributed binomially, I put becaise it can only be two possible outcomes and because theyre independent from eachother. Will I get both marks because the first point is sort of implied in the question.
13. (Original post by Ando08)
For question 1a) for the two reasons why it shpould be distributed binomially, I put becaise it can only be two possible outcomes and because theyre independent from eachother. Will I get both marks because the first point is sort of implied in the question.

I am pretty much think you will get both right. The number of trials is kind of implied on the question, not the success or failure.
14. (Original post by Ando08)
For question 1a) for the two reasons why it shpould be distributed binomially, I put becaise it can only be two possible outcomes and because theyre independent from eachother. Will I get both marks because the first point is sort of implied in the question.
Any two from

n must be finite
success or failure
independent
probability of success constant

I know I put three in the solutions but you didn't need to
15. (Original post by Gibbo81)
Any two from

n must be finite
success or failure
independent
probability of success constant

I know I put three in the solutions but you didn't need to
I put down all 4 - sometimes they may ask for two things, but worth 1 mark - seen them in the past. But it doesn't really make it obvious in the question how much they want - but 2 marks, so its 2 at least...
16. (Original post by mr tim)
I put down all 4 - sometimes they may ask for two things, but worth 1 mark - seen them in the past. But it doesn't really make it obvious in the question how much they want - but 2 marks, so its 2 at least...
I put down 3 just to be sure.
17. I put down 2 cause it's worth 2 marks ffs
18. (Original post by Firaila)
I put down 2 cause it's worth 2 marks ffs
Yeah and i'm pretty sure than's more than enough of what is needed.
19. (Original post by Ultimate1)
Yeah and i'm pretty sure than's more than enough of what is needed.
I'm not sure thats more than enough
20. (Original post by Firaila)
I'm not sure thats more than enough
NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO OOOOOO!

My whole life had been destroyed. My 3 answers to a 2 mark Question might not give me an extra mark. I think I'm losing my will to live.

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