In Oz Lotto under the 7/47 + 3/47 · since May 2022 rules — 230 draws, 7 from 1–47.
41times drawn · chance expected 34 +1.25σ
7draws waiting · a wait this long: 38% for any number
5.5average wait between appearances · chance says 6.7
19longest completed wait · 90% chance of one at least that long
39 is drawn as often as chance explains
Drawn 41 times in 230 draws against 34.3 expected, +1.25σ. Each draw is independent: after 7 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 13 times, counted separately.
39
Number 39, draw by draw
Drawn 41 times in 230 draws · average wait 5.6 draws · longest completed wait 19 · waiting 7 draws now
a completed wait — darker is longer the wait still running — a lower bound, not a finished gap
Where it lands in a sorted draw
Sort a draw and 39 has a favourite seat — chance gives a large number the high positions more often. That is the shape of sorting, not of the machine.
It has shared a draw with every one of the other 46 numbers; chance expected about 0.2 still unmet by now. Every pair →
How many people play it
Under the crowd model, 39 is picked about 0.86× as often as an indifferent choice — 33rd most popular of 47. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.
Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 39 is drawn with probability 7/47 tonight whatever it did last week.