Using symmetrical properties of Normal Curve to solve questions
Consider if we are simply given that latex \mathrm{P}(X < 4.2) = 0.2latex \mathrm{P}(X > 8) = 0.1latex \alpha \mathrm{P}(X < \mu_0 – \alpha) = \mathrm{P}(X < \mu_0 + [...]
Learning Math or Learning to do Math
I’ve always struggled to accept how some students study and kept telling them off for their ways. Yes, I am no PSC scholar or top academic to comment. But seeing all the batches of students [...]
Tips for the final lap of preparation! #2
So I mentioned that students can consider putting aside 9H weekly to prepare for A-levels. I haven’t really discuss what if you’re a student who is totally lost and don’t know [...]
Tips for the final lap of preparation! #1
As the prelims exams draw to an end for some schools, and some even collected the grades back. Many students must be disheartened about their grades too. So there are many questions coming in [...]
Solving roots of higher order
This is one question that I know ALL my students can excel in doing, that is solve . So I’m not interested in showing you how to solve such problems, but I want to explain a particular step [...]
Finding the inverse for a composite function
Many students know how to find the inverse of a regular function. We simply let then proceed to make the subject. Some might not know that if you want to find the inverse of the composite [...]
September Holidays Revisions
The September Holidays just ended, and I was overwhelmed with classes from 8am to 10pm daily. Many students were rushing to have lessons daily, to prepare them last minute for their impending [...]