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Michigan Keno Stats Over 16 Years

After hearing a statistics professor told his class that some numbers in Keno have better odds than others, I wanted to check his claim. So, I went to the Michigan Lottery website and wrote a script to take all 16 years worth of Keno winning numbers. That's 83072 numbers drawn 22 at a time for a total of 3776 rounds of Keno.

Keno
I found that the best number to pick is a tie between 05 and 11. Each one appears 28.9989407% of the time. The worst number to pick is 29, as it appears only 24.7351695% of the time.

Keno Numbers Frequency

But does this actually matter? Maybe a little but not much. If you look at the difference, 05 was picked 161 more times than 29. There were 83072 drawn. 161 extra times isn't that bad. The standard deviation of all percents was 0.78.

So, was the professor right? Technically yes, but not really when it matters. What would be interesting to know is if the Michigan Lottery uses an electronic system or not to draw the numbers. There's been much debate over using electronics.

Frequency | Number

 934 29
 971 45
 971 47
 976 63
 984 52
 995 30
 997 08
1005 58
1005 75
1008 60
1009 64
1014 38
1014 41
1015 67
1017 06
1018 46
1018 69
1018 70
1018 76
1020 04
1023 37
1024 79
1024 80
1025 14
1025 50
1026 49
1027 77
1029 12
1030 03
1030 33
1034 61
1035 36
1036 20
1036 40
1037 28
1037 65
1038 43
1039 10
1039 19
1040 13
1040 25
1041 56
1045 07
1045 48
1045 73
1046 16
1046 27
1046 62
1047 02
1048 39
1051 57
1052 17
1052 22
1052 23
1053 53
1053 74
1054 35
1056 59
1057 51
1058 01
1058 31
1059 21
1060 54
1061 72
1063 09
1063 15
1064 44
1065 26
1065 34
1066 32
1069 55
1072 66
1076 24
1077 78
1078 71
1079 42
1086 68
1093 18
1095 05
1095 11

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