This section explores random variables. By the end of this entry you should be able to decide whether something can be a probability density function, find the cumulative distribution function given the probability density...
This entry explores binomial distribution. We shall explore the binomial distribution, conditions for a binomial distribution, binomial cumulative distribution function, mean and variance of a binomial distribution. Before attempting this section you must have...
This entry explores Poisson distribution. By the end of this entry you’ll be able to know when a Poisson distribution is a suitable model to use, understand how to use probabilities using a Poisson...
This section explores factorial notation. Factorials are very popular in many areas of mathematics especially in combinations and permutations. This entry will be useful in the binomial distribution article so adding it first was...
In geometry a semicircle is simply half a circle or a closed shape consisting of half a circle. It is a one-dimensional locus of points that forms half of a circle. The arc that...
This entry briefly looks at the diameter of a circle. The word “diameter” comes from Greek διάμετρος (diametros), “diameter of a circle”, from δια- (dia-), “across, through” + μέτρον (metron), “measure”. The diameter of...
Wiki: A circle is a closed curve where every point on the curve is a fixed distance from a point known as the centre. The distance between any of the points and the centre...
