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Reading the draws and working out what chance predicts.

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PowerBall · draw

Tuesday, 20 September 2011

ResultPowerBall

Verified
  1. 8
  2. 10
  3. 23
  4. 31
  5. 38
  6. 8

JackpotZAR 8,395,464

The crowdHeld 27% less than an average linefrom the prize table, not from a model of how people pick

Top prizeNot wonnext draw advertised at

Rules5/45 + 1/20 · Oct 2009 – Jun 2018draw 197 of 1,161 under them

← 2011-09-16All recent draws2011-09-23 →

Where this result came from

SourcesSources disagree on this draw — Primary reports different numbers. The reading most sources give is shown. Settled 29 Aug 2026, 09:57 UTC.

  • Primarycommercial feed8 10 23 31 3829 Aug 2026, 09:36 UTCdiffers
  • Backup 3community8 10 23 31 38 + 828 Aug 2026, 21:01 UTC
Drawn under earlier rules

PowerBall was a 5/45 + 1/20 · Oct 2009 – Jun 2018 game then. Everything on this page reads the draw against those rules and the 196 draws before it — not against today’s pool.

Play these numbers? Read them as your ticket →

This draw, read by every tool

What the site’s explorations say about the numbers drawn on 20 September 2011 — each beside what chance predicted. None of it says anything about the next draw.

73oddordinary

How ordinary this draw is

Scored 73 of 100 across six shape features — more typical than about 98% of every possible ticket.

  • sum43th
  • odd32th
  • low65th
  • widest gap36th
  • neighbours31th
  • spread43th
Draw Fingerprints →

Each number, as it stood before this draw

Times drawn before — chance expected 22 of each

824times
1025times
2323times
3131times
3822times
Stars · a separate 1-of-20 machine

Times drawn before — chance expected 10 of each

813times

Every number was expected about that many times after 196 draws, and they scatter around it. Warm means more than expected, cool means fewer — and a cold number arriving is exactly what cold numbers do.

Frequency Explorer →

Its nearest twin

Shares 3 of 5 numbers (8, 10, 31) and 0 of 1 stars with the draw of 13 August 2010 — its closest relative in 196 draws. Chance gave a match this close a 72% likelihood somewhere in that history.

From the draw just before (16 September 2011): 38 carried over. Chance says 46% of draws repeat at least one number. Stars: none repeated (5% expected).

Carry-over / Déjà Vu →

Sum and shape

110

The numbers add up to 110 — the 42th percentile of all possible tickets, around a middle of 115. No two numbers side by side. 39% of draws have at least one such pair.

Sum Distribution →

The longest wait in this draw

8 had not appeared for 11 draws. A number waits about 9 on average, and a wait this long was not a signal — the machine has no memory of it.

Gap & “Overdue” Tracker →

How many people held it

A line like this is played about 1.3× as often as an average ticket — more popular than most. At 30 million tickets sold, a winner on these numbers would keep about 3% of the jackpot.

Illustrative model, calibrated to published studies — not live sales.

The Unpopular Numbers Edge →

Prize breakdown · 2011-09-20

  • Lines in play≈ 5.1Mas the winner counts imply
  • Paid outZAR 12Mto 140k winning lines
  • Won something1 in 36lines took a prize
  • Match 5 plus Bonus Ball1 winnerchance said 0.21

Where the money went

  • Match 5 plus Bonus Ball70%ZAR 8.4M
  • Match 57.1%ZAR 848.7K
  • Match 1 plus Bonus Ball6.3%ZAR 757.7K
  • 5 other tiers17%ZAR 2M
Tier1101001k10k100kWinners1101001k10k100k1M10MPrize each
  1. Match 5 plus Bonus Ball1≈ 0.21 by chanceZAR 8,395,464
  2. Match 51≈ 3.9 by chanceZAR 848,736
  3. Match 4 plus Bonus Ball43≈ 41 by chanceZAR 13,859
  4. Match 4539≈ 788 by chanceZAR 420
  5. Match 3 plus Bonus Ball1,554≈ 1.6k by chanceZAR 299
  6. Match 2 plus Bonus Ball20,836≈ 20k by chanceZAR 14.00
  7. Match 322,554≈ 31k by chanceZAR 19.00
  8. Match 1 plus Bonus Ball94,712≈ 95k by chanceZAR 8.00
  • Winners, log scale
  • Prize each, log scale
  • Where chance put the count

The rings take the ≈5.1M lines the counts imply and assume an evenly spread crowd. Furthest from that: Match 4 — 539 winners, 32% fewer than the 788 an even spread gives. The numbers drawn were noticeably less popular than average — a draw full of birthdays makes more small winners, a draw of high numbers fewer. That is the crowd, not the machine.

Show the published table
MatchWinnersPrize each
Match 0 plus Bonus Ball0—
Match 1 plus Bonus Ball94,712ZAR 8.00
Match 2 plus Bonus Ball20,836ZAR 14.00
Match 322,554ZAR 19.00
Match 3 plus Bonus Ball1,554ZAR 299
Match 4539ZAR 420
Match 4 plus Bonus Ball43ZAR 13,859
Match 51ZAR 848,736
Match 5 plus Bonus Ball1ZAR 8,395,464