For the benefit of our students and their revision, here’s the questions for the 2013 paper. Stay tune for our short outlines on these questions. The aim of our outlines is to create [...]
For the benefit of our students and their revision, here’s the questions for the 2014 paper. Stay tune for our short outlines on these questions. The aim of our outlines is to create [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Please kindly comment at the specific questions should you have any questions.
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) (iii) (iv) (v) KS Comments The tree diagram was not easy definitely.
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Under For to be not rejected at 5% level of significance, then (ii) [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) From graphing calculator, r-value is close to 1 which suggest a [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Let X denote the number of batteries with lifetime of at least 100 [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Stratified random sampling. Split the population of people into [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) (iii) (iv) Area using graphing calculator. KS Comments Students [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) When (ii) Equation of normal: Subs , . (iii) If , Normal: Required [...]
