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Qualification => GCE AS & A2 Level => Queries => Topic started by: haziq91 on June 20, 2010, 08:07:14 am

Title: unofficial MS for S3 and M3 plzzzzzzz
Post by: haziq91 on June 20, 2010, 08:07:14 am

Anyone who have it plzzzzz  post it here

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: Saladin on June 20, 2010, 09:36:54 am

Quote from: haziq91 on June 20, 2010, 08:07:14 am

Anyone who have it plzzzzz  post it here

You too all 3 statistics Units? O.o

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: haziq91 on June 21, 2010, 02:52:38 am

yup....   I'm taking double maths.....   

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: T.Q on June 21, 2010, 09:42:30 am

for S3

NOTE : SOME ANSWERS MAY BE WRONG

1. Test statistic = 2 > 1.6449 reject Ho (7 marks)
2. (a) 0.4129 (4 marks)
(b) 0.0455 (5 marks) using 60Var(X)
3. (a) 0.7698 (2 marks)
(b) 0.9836 (4 marks)
(c) (35.31, 35.89) (4 marks)
4. (a) 6/7 (6 marks)
(b) 6/7< 0.8929 accept Ho, no correlation(4 marks)
5. Test statistic = 3.5534 < 5.991 accept Ho, independent (10 marks)
6. Test statistic = 2.7456 < 11.070 accept Ho, could be modelled (12 marks)
7. (a) take 120 full-time and 80 part-time (3 marks)
(b) (1 mark)
(c) test statistic = 2.828 > 2.5758 reject Ho (7 marks)
(d) normality (2 marks)
(e) s=sigma (1 mark)
(f) 2.53> 2.5758 accept Ho (2 marks)
(g) difference is eliminated(1 mark)

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: T.Q on June 21, 2010, 09:51:45 am

FOR M3

NOTE : SOME ANSWERS MAY BE WRONG



1a)T=13mg/12
b) v= 5/6 root 3gl

2a)proof
b) U= root gR/8

3) lamda = 12.7008 N

4a) centre of mass is 53r/17 from 0
b) theta = 34.76 degrees

5a) v^2 = ag (5-2sintheta)
b) T= mg (5 - 3sintheta)
c) T > 0 as limits of sin theta was -1 and 1
d) root 7ag

6a) Proof
b) 1.30m

7a) 4a
b) Proof
c) 1/4 root ag
d) 19a/128

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: astarmathsandphysics on June 21, 2010, 10:28:24 am

Thanks

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: park on June 21, 2010, 02:23:57 pm

thanks so much. do you have the question paper? i forgot what i wrote

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: T.Q on June 21, 2010, 04:17:38 pm

Quote from: park on June 21, 2010, 02:23:57 pm

thanks so much. do you have the question paper? i forgot what i wrote

i will upload it soon

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: park on June 21, 2010, 04:24:12 pm

thank u

Title: Re: unofficial MS for S3 and M3 plzzzzzzz
Post by: park on June 22, 2010, 04:36:36 pm

i just got hold of the question paper and did the questions again to check with your answers. thanks