Number 7

In New York Lotto under the 6/59 + 1/55 · Jan 2010 – Oct 2010 rules — 83 draws, 6 from 1–59 (an earlier era).

9times drawn · chance expected 8 +0.20σ

6draws waiting · a wait this long: 58% for any number

6.8average wait between appearances · chance says 9.8

16longest completed wait · 83% chance of one at least that long

7 is drawn as often as chance explains

Drawn 9 times in 83 draws against 8.4 expected, +0.20σ. Each draw is independent: after 6 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 7, draw by draw

Drawn 9 times in 83 draws · average wait 6.8 draws · longest completed wait 16 · waiting 6 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 7 has a favourite seat — chance gives a small number the low positions more often. That is the shape of sorting, not of the machine.

1st smallest5 · chance 5.1
2nd smallest4 · chance 3.2
3rd smallest0 · chance 0.7
4th smallest0 · chance 0.1
5th smallest0 · chance 0.0
6th smallest0 · chance 0.0

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 0.8 shared draws, and the leaders are simply the ones that came out ahead this time.

19 42 44 15 18 30

Never drawn alongside 23 of the other 58 numbers; chance expects about 27 such strangers by now. Every pair →

How many people play it

Under the crowd model, 7 is picked about 1.54× as often as an indifferent choice — 1st most popular of 59. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers 1–31 — the birthday zone ×1.22
Numbers 1–12 — day and month overlap ×1.10
The number 7 ×1.15

The model and its sources → · What people believe about 7 →

Every draw it appeared in

Date	Wait	Position	The draw
2010-09-25	6	1st	7 25 37 44 52 58
2010-09-04	9	1st	7 15 18 30 42 57
2010-08-04	9	2nd	3 7 18 36 44 53

What this cannot tell you

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: 7 is drawn with probability 6/59 tonight whatever it did last week.