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a) at most 960 ml

Let X be the volume of liquid in a particular bottle, then we want to find P(X <= 960). We first need to transform from X to Z (to the standard normal distrib...

Unfortunately, every year in school you are told that something from the previous year was not completely true, and had in fact been simplified...one of the major examples of this is orbitals. While the e...

My approach is to break down the question. In the case of long answer- questions, examiners want to firstly know that you understand a question before answering.  Let's use the following example:

E...

The product rule states that y=uv and dy/dx=(u)dv/dx + (v)du/dx. As the equation is in this form we can let u=2x and v=sinx. Therefore du/dx=2 and dv/dx=cosx. Substituting for u and v we get dy/dx=(2x)(co...