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unofficial MS for S3 and M3 plzzzzzzz

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haziq91:
Anyone who have it plzzzzz  post it here

Saladin:

--- Quote from: haziq91 on June 20, 2010, 08:07:14 am ---Anyone who have it plzzzzz  post it here

--- End quote ---

You too all 3 statistics Units? O.o

haziq91:
yup....   I'm taking double maths.....   

T.Q:
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)

T.Q:
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

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