The attempt to calculate a null probability for a given degree of matching among a set of phylogenetic area cladograms (or between a cladogram representing a geographic hypothesis and a set of ...

It is certain that this bus will either be late or not late, which is a probability of 1 The missing value of a probability can be worked out by subtracting the known probabilities from 1 (100% when ...

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...

Venn diagrams are used to sort sets of data. The probability of an event not happening uses the complement of the region on the Venn diagram. Count the number of elements in each region. Redraw the ...

Calculating probabilities can be tricky, with subtle changes in context giving quite different results. I was reminded of this recently after setting BrainTwister #10 for New Scientist readers, which ...

As speculation mounts about when the Federal Reserve will alter its target for the federal funds rate, its primary tool for steering the economy these days, trading in financial futures markets offer ...

An argument has been making the rounds that there’s really no danger of default if the U.S. runs up against the debt ceiling — the president could simply make sure that all debt payments are made on ...