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Reading the draws and working out what chance predicts.

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PowerBall · draw

Friday, 20 May 2011

ResultPowerBall

Verified
  1. 3
  2. 7
  3. 10
  4. 31
  5. 42
  6. 6

JackpotZAR 70,376,366

The crowdHeld about as often as 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 162 of 1,161 under them

← 2011-05-17All recent draws2011-05-24 →

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 feed3 7 10 31 4229 Aug 2026, 09:36 UTCdiffers
  • Backup 3community3 7 10 31 42 + 628 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 161 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 May 2011 — each beside what chance predicted. None of it says anything about the next draw.

51oddordinary

How ordinary this draw is

Scored 51 of 100 across six shape features — more typical than about 48% of every possible ticket.

  • sum22th
  • odd65th
  • low65th
  • widest gap84th
  • neighbours31th
  • spread85th
Draw Fingerprints →

Each number, as it stood before this draw

Times drawn before — chance expected 18 of each

313times
719times
1018times
3123times
4228times
Stars · a separate 1-of-20 machine

Times drawn before — chance expected 8 of each

66times

Every number was expected about that many times after 161 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 (10, 31, 42) and 0 of 1 stars with the draw of 6 November 2009 — its closest relative in 161 draws. Chance gave a match this close a 65% likelihood somewhere in that history.

From the draw just before (17 May 2011): nothing carried over. Chance says 46% of draws repeat at least one number. Stars: none repeated (5% expected).

Carry-over / Déjà Vu →

Sum and shape

93

The numbers add up to 93 — the 21th 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

3 had not appeared for 14 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 1.7× as often as an average ticket — more popular than most. At 30 million tickets sold, a winner on these numbers would keep about 2% of the jackpot.

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

The Unpopular Numbers Edge →

Prize breakdown · 2011-05-20

  • Lines in play≈ 8.5Mas the winner counts imply
  • Paid outZAR 7.9Mto 248k winning lines
  • Won something1 in 34lines took a prize
  • Match 5 plus Bonus Ball0 winnerschance said 0.35

Where the money went

  • Match 523%ZAR 1.8M
  • Match 4 plus Bonus Ball16%ZAR 1.3M
  • Match 1 plus Bonus Ball22%ZAR 1.7M
  • 4 other tiers39%ZAR 3.1M
Tier1101001k10k100k1MWinners1101001k10k100k1M10M100MPrize each
  1. Match 5 plus Bonus Ball0≈ 0.35 by chanceZAR 70,376,366
  2. Match 513≈ 6.6 by chanceZAR 141,291
  3. Match 4 plus Bonus Ball64≈ 70 by chanceZAR 20,152
  4. Match 41,235≈ 1.3k by chanceZAR 397
  5. Match 3 plus Bonus Ball2,518≈ 2.7k by chanceZAR 399
  6. Match 2 plus Bonus Ball33,088≈ 34k by chanceZAR 19.00
  7. Match 352,024≈ 52k by chanceZAR 18.00
  8. Match 1 plus Bonus Ball158,839≈ 159k by chanceZAR 11.00
  • Winners, log scale
  • Prize each, log scale
  • Where chance put the count

The rings take the ≈8.5M lines the counts imply and assume an evenly spread crowd. Furthest from that: Match 3 plus Bonus Ball — 2,518 winners, 7% fewer than the 2.7k an even spread gives. The real crowd and an even spread agreed closely on this draw.

Show the published table
MatchWinnersPrize each
Match 0 plus Bonus Ball0—
Match 1 plus Bonus Ball158,839ZAR 11.00
Match 2 plus Bonus Ball33,088ZAR 19.00
Match 352,024ZAR 18.00
Match 3 plus Bonus Ball2,518ZAR 399
Match 41,235ZAR 397
Match 4 plus Bonus Ball64ZAR 20,152
Match 513ZAR 141,291
Match 5 plus Bonus Ball0ZAR 70,376,366