A t-distribution is a type of probability function that is used for estimating population parameters for small sample sizes or unknown variances.

Burt S. Holland, Some Results on the Discretization of Continuous Probability Distributions, Technometrics, Vol. 17, No. 3 (Aug., 1975), pp. 333-339 ...

The probability of discovery is assumed proportional to object size. The paper gives many results, including the probability distribution of the number and sizes of discovered objects, and the prior ...