Notation
We now generalise the notation used in the previous page's pizza example.
Distribution of a sample proportion
The number of successes, x , has a 'standard' discrete distribution called a binomial distribution which has two parameters, n and π. In practical applications, n is a known constant, but π may be unknown.
The sample proportion, p , has a distribution with the same shape, but is scaled by n .
Shape of the binomial distribution
Brand loyalty