Top answers


State the conditions under which a binomial distribution can be approximated as a normal distribution, and state how the parameters needed would be calculated.

This is a two - part question. The first part is stating the necessary conditions, of which there are two: the number of trials must be large (more than 50), and the probability of success or failure must be...
Answered by Maths tutor
7662 Views

A tank contains 500L of salty water. Pure water is pumped in at a rate of 10 L/sec, and the the mixture is pumped out at a rate of 15L/ sec. If the concentration of salt is 5g/L initially, form an equation of amount of salt, s, at t seconds.

This is a word problem with the task of forming a first order differential equation (or DE), and involves two major aspects that need to be worked out: the volume of water in the tank at any given point, and...
3852 Views

Explore the significance of the emptiness of modern life in this extract

Within this extract, the emptiness of modern life is characterised as life without purpose or meaning; namely a spiritual emptiness resulting from being engulfed by the pressures of societal suburban expecta...
Answered by English Literature tutor
10299 Views

Describe an IDE and its features in programming. (3 Marks)

IDE = Integreated Development EnvironmentAutocompletion of code, e.g finishing statementsBracket matchingTranslator , would also accept compiles/interprets codeDebug mode, e.g could step through codeLibrarie...
Answered by Computing tutor
2600 Views

What is the doctrine of consideration in contract Law, and what was the impact of the case of Williams v Roffey Bros

Doctrine of consideration is based upon the idea of ‘reciprocity’. A promise in contract law should not be enforceable unless the promisee has given something in exchange for the promise (i.e. Remuneration, ...
Answered by Law tutor
3859 Views