Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A diagrammatic intuition for (5) illustrates that the probability of frequency x at time t + δt is the product of the probability of moving from p to p + δp in time δt and the probability of moving from p + δp to x in time t, summed over all possible values of δp.
