Sunday, 8 August 2010

Its nearest twin

Shares 2 of 5 numbers (15, 18) with the draw of 7 August 2010 — its closest relative in 219 draws. Chance gave a match this close a 100% likelihood somewhere in that history.

From the draw just before (7 August 2010): 15, 18 carried over. Chance says 52% of draws repeat at least one number.

Sum and shape

The numbers add up to 92 — the 36th percentile of all possible tickets, around a middle of 100. No two numbers side by side. 44% of draws have at least one such pair.

The longest wait in this draw

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

How many people held it

A line like this is played about 1.9× as often as an average ticket — more popular than most. At 30 million tickets sold, a winner on these numbers would keep about 1% of the jackpot.

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