The probability density function (PDF) is an expression used in statistics that defines the probability that some outcome will occur. In this function, the probability is the percentage of a ...

Madelyn Goodnight / Investopedia A probability distribution is a statistical function that describes all values a random variable can take within a given range and the likelihood that they will.

MARCUS DU SAUTOY:'You might think that catching criminals 'is all about finding physical evidence. 'Fingerprints, DNA. MARCUS DU SAUTOY:'But even when these clues aren't available, 'a mathematical ...