If 13 Games Were Won with Automatic Picks, Doesn't That Mean Automatic Picks Have Better Odds?
Do Automatic Lotto Picks Win More Often Than Manual Picks? Why the Odds Are the Same Even with 13 Automatic Winners in Draw 1241# Do Automatic Lotto Picks Win More Often Than Manual Picks? Why the Odds Are the Same Even with 13 Automatic Winners in Draw 1241
Automatic and manual lottery picks have the same probability of winning the 1 prize per 1 game. According to Donghaeng Lottery, the probability of winning the 1 prize in Lotto 6/45 is 1 in 8,145,060. Whether the numbers were generated automatically or selected manually does not change that probability.
In draw 1241, 13 of the 18 games that won the 1 prize used automatic picks, while 5 used manual picks. Automatic picks accounted for approximately 72.2%, but that figure alone does not establish that automatic picks offer an advantage over manual picks.
If 13 Games Were Won with Automatic Picks, Doesn't That Mean Automatic Picks Have Better Odds?
No. Having more automatic-pick winners in a particular draw is not the same as having a higher probability of winning with an individual automatic-pick game.
The results of draw 1241 can be calculated as follows.
| Purchase Method | Number of 1 Prize-Winning Games | Share of 1 Prize Winners |
|---|---|---|
| Automatic | 13 games | Approximately 72.2% |
| Manual | 5 games | Approximately 27.8% |
| Total | 18 games | 100% |
※ These percentages are the author's calculations, using 13÷18 and 5÷18.
The important factor here is the denominator.
To determine whether automatic or manual picks actually produce a higher winning rate, simply counting the number of games that won the 1 prize is not enough.
For example, if 13 automatic-pick games won the 1 prize, we would also need to know the total number of automatic-pick games sold for that draw. Likewise, the number of winning manual-pick games must be compared with the total number of manual-pick games sold to calculate the actual winning rate.
In other words, the comparison should be made as follows:
**Automatic-pick winning rate = Number of automatic-pick games winning the 1 prize ÷ Total automatic-pick games sold
Manual-pick winning rate = Number of manual-pick games winning the 1 prize ÷ Total manual-pick games sold**
Concluding that automatic picks are more advantageous based solely on the '13 automatic-pick games' result from draw 1241 is a comparison that leaves out the denominator.
Why Are the Odds of Winning the 1 Prize Identical for Automatic and Manual Picks?
Lotto 6/45 is a game in which players must match 6 distinct numbers selected from 1 through 45.
There are 8,145,060 possible combinations of 6 numbers. Therefore, the probability that one particular combination of 6 numbers exactly matches the 1 prize-winning numbers is 1 in 8,145,060. Donghaeng Lottery also publishes this figure as the probability of winning the 1 prize.
Consider the following two games.
Game A uses numbers manually selected by a person.
Game B uses numbers automatically generated by a lottery terminal.
Ultimately, both games consist of 'one combination containing 6 numbers.' During the draw, no distinction is made between numbers selected by a person and those selected by a machine.
Therefore, for any single valid combination, automatic and manual picks have exactly the same probability of winning the 1 prize.
Donghaeng Lottery also categorizes its purchase methods as 'manual,' in which players select all 6 numbers themselves; 'automatic,' in which the system selects the numbers; and 'semi-automatic,' in which players select some numbers and the system fills in the rest.
Why, Then, Do Automatic Picks Often Appear More Frequently Among 1 Prize Winners?
The first distinction to make is between 'the number of 1 prize-winning games' and 'the probability of winning per game.'
If a particular purchase method is used more frequently, more winning games may also be observed among purchases made using that method. However, without considering the total number of games sold under each purchase method, the number of winners alone cannot establish which method has a higher winning rate.
Even among recent draws, the numbers of automatic and manual winners vary. Available records show that draw 1240 had 14 automatic-pick winners and 2 manual-pick winners. Draw 1239 had 10 automatic-pick winners, 2 manual-pick winners, and 1 semi-automatic winner, while draw 1238 had 10 automatic-pick winners, 12 manual-pick winners, and 1 semi-automatic winner.
This means automatic picks may account for more winners in one draw, while manual-pick winners may increase substantially in another.
Therefore, there is no basis for concluding that 'because automatic picks have won frequently recently, they will also have an advantage in the next draw.' Previous results by purchase method do not increase the probability of particular numbers or purchase methods winning in the next draw.
The Number of Games, Not Automatic or Manual Selection, Affects Your Overall Winning Probability
Rather than how the numbers are selected, what directly changes the probability calculation is how many games with distinct number combinations you hold.
The probability of winning the 1 prize with 1 game is:
1 / 8,145,060
If you hold 5 games with different number combinations, the probability that one of those 5 combinations is the winning combination is:
5 / 8,145,060 = 1 / 1,629,012
The probability does not increase because those 5 games were purchased using automatic picks. It increases because the number of distinct combinations that could win has grown from 1 to 5.
Conversely, when comparing just 1 automatic-pick game with 1 manual-pick game, both have exactly the same probability of winning the 1 prize: 1 in 8,145,060.
It is also important to consider that purchasing more games increases spending. Donghaeng Lottery sells Lotto 6/45 at KRW 1,000 per 1 game and limits online purchases to KRW 5,000 per draw per 1 person.
Does Semi-Automatic Selection Have Odds Somewhere Between Automatic and Manual Picks?
Using semi-automatic selection does not mean the probability of winning falls somewhere between the probabilities for automatic and manual picks.
Semi-automatic selection is simply a method of choosing numbers in which the player selects some preferred numbers and the system fills in the remaining numbers. The final combination of 6 numbers still has a probability of 1 in 8,145,060 of winning the 1 prize.
For example, even if you manually select 2 numbers and have the remaining 4 numbers filled in automatically, the completed purchase represents one combination containing 6 numbers.
The purchase methods can therefore be understood as follows:
Manual: I select all 6 numbers myself.
Automatic: The system selects all 6 numbers.
Semi-automatic: I select some numbers, and the system selects the rest.
Although the process of generating the numbers differs, the probability of winning the 1 prize with one completed combination is the same.
What Data Would Be Needed to Determine Whether Automatic Picks Really Win More Often?
To statistically compare the actual performance of automatic and manual picks, at least two types of data covering the same period are needed.
First, the total number of games sold under each purchase method.
Second, the actual number of winning games under each purchase method during that same period.
For example, even if 100 automatic-pick games and 50 manual-pick games won the 1 prize, it would not be possible to claim that automatic picks had a higher winning rate if more than twice as many automatic-pick games had been sold as manual-pick games.
That is why figures such as the number of automatic-pick and manual-pick winners reported in lottery results show the 'composition of winners,' rather than directly proving that one purchase method is superior to another.
The 13 automatic-pick winning games in draw 1241 should be interpreted in the same way.
Conclusion: 13 Automatic-Pick Winners Are a Result, Not Proof That Automatic Picks Have Better Odds
Of the 18 games that won the 1 prize in Lotto draw 1241, 13 used automatic picks, accounting for approximately 72.2%. However, the probability of winning the 1 prize per 1 game is 1 in 8,145,060 for both automatic and manual picks.
Automatic, manual, and semi-automatic selections differ only in how the numbers are chosen.
A large number of automatic-pick winners in one draw does not make automatic picks more advantageous in the next draw. Previous winning results do not guarantee future wins, so it is advisable to play the lottery within a predetermined budget.