OZ Lotto Bell Curve Statistics

This page displays a Bell Curve, also known as a Normal Distribution or Gaussian Distribution, for OZ Lotto. It shows how frequently the winning numbers add up to a certain sum.

The grey curve on the graph is the expected Bell Curve, which displays how often each sum should have appeared in all draws to date. For example, if there is a 1 in 100 probability that the winning numbers will add up to a certain sum in any given draw, that sum would be expected to appear 10 times over 1,000 draws. The expected Bell Curve is symmetrical and has one mode, which coincides with the mean and the median.

This is overlaid with the actual number of times each sum has appeared in all draws to date (the blue bars). This will match the expected Bell Curve more closely as more draws take place. The curve for draws with a limited history may look more erratic.

Main Numbers:

The data is further laid out in the table below. It shows, for each of the sum totals, how many possible number combinations there are, the expected number of times that each sum should have appeared in all draws to date, and the count of how many times it has actually appeared. The final column shows if a particular sum is overdue. A sum is regarded as overdue if it hasn't appeared for twice the number of draws it is expected to. For example, if there is a 1 in 100 probability of a particular sum appearing, it will be labelled overdue if it hasn't appeared for 201 draws or more.

Some lotteries have undergone rule changes in the past that have affected how many main numbers are drawn. To remain consistent, data is taken only from draws that used the same matrix that is currently in use. This can mean that the statistics for some games are limited.

You can find the Bell Curve statistics for the Supplementary numbers below the table for the main numbers.

Number Sum Total Possible Combinations Expectation Actual Over 393 Draws
Count Frequency Count Last Drawn Draws Ago
28 1 0.000 1 in 45,379,620 0 Never Never
29 1 0.000 1 in 45,379,620 0 Never Never
30 2 0.000 1 in 22,689,810 0 Never Never
31 3 0.000 1 in 15,126,540 0 Never Never
32 5 0.000 1 in 9,075,925 0 Never Never
33 7 0.000 1 in 6,482,803 0 Never Never
34 11 0.000 1 in 4,125,420 0 Never Never
35 15 0.000 1 in 3,025,308 0 Never Never
36 21 0.000 1 in 2,160,934 0 Never Never
37 28 0.000 1 in 1,620,701 0 Never Never
38 38 0.000 1 in 1,194,201 0 Never Never
39 49 0.000 1 in 926,115 0 Never Never
40 65 0.001 1 in 698,148 0 Never Never
41 82 0.001 1 in 553,410 0 Never Never
42 105 0.001 1 in 432,187 0 Never Never
43 131 0.001 1 in 346,409 0 Never Never
44 164 0.001 1 in 276,705 0 Never Never
45 201 0.002 1 in 225,769 0 Never Never
46 248 0.002 1 in 182,982 0 Never Never
47 300 0.003 1 in 151,265 0 Never Never
48 364 0.003 1 in 124,669 0 Never Never
49 436 0.004 1 in 104,082 0 Never Never
50 522 0.005 1 in 86,934 0 Never Never
51 618 0.005 1 in 73,430 0 Never Never
52 733 0.006 1 in 61,909 0 Never Never
53 860 0.007 1 in 52,767 0 Never Never
54 1,009 0.009 1 in 44,975 0 Never Never
55 1,175 0.010 1 in 38,621 0 Never Never
56 1,367 0.012 1 in 33,197 0 Never Never
57 1,579 0.014 1 in 28,739 0 Never Never
58 1,824 0.016 1 in 24,879 0 Never Never
59 2,093 0.018 1 in 21,682 0 Never Never
60 2,400 0.021 1 in 18,908 0 Never Never
61 2,738 0.024 1 in 16,574 0 Never Never
62 3,120 0.027 1 in 14,545 0 Never Never
63 3,539 0.031 1 in 12,823 0 Never Never
64 4,011 0.035 1 in 11,314 0 Never Never
65 4,526 0.039 1 in 10,026 0 Never Never
66 5,102 0.044 1 in 8,894 0 Never Never
67 5,730 0.050 1 in 7,920 0 Never Never
68 6,428 0.056 1 in 7,060 0 Never Never
69 7,186 0.062 1 in 6,315 0 Never Never
70 8,026 0.070 1 in 5,654 0 Never Never
71 8,934 0.077 1 in 5,079 0 Never Never
72 9,934 0.086 1 in 4,568 0 Never Never
73 11,014 0.095 1 in 4,120 0 Never Never
74 12,197 0.106 1 in 3,721 0 Never Never
75 13,470 0.117 1 in 3,369 0 Never Never
76 14,860 0.129 1 in 3,054 0 Never Never
77 16,350 0.142 1 in 2,776 0 Never Never
78 17,969 0.156 1 in 2,525 0 Never Never
79 19,701 0.171 1 in 2,303 0 Never Never
80 21,575 0.187 1 in 2,103 0 Never Never
81 23,573 0.204 1 in 1,925 0 Never Never
82 25,728 0.223 1 in 1,764 1 7/7/2020 11
83 28,018 0.243 1 in 1,620 1 2/3/2015 294
84 30,478 0.264 1 in 1,489 0 Never Never
85 33,086 0.287 1 in 1,372 0 Never Never
86 35,877 0.311 1 in 1,265 0 Never Never
87 38,827 0.336 1 in 1,169 0 Never Never
88 41,975 0.364 1 in 1,081 0 Never Never
89 45,292 0.392 1 in 1,002 0 Never Never
90 48,819 0.423 1 in 930 0 Never Never
91 52,527 0.455 1 in 864 1 12/1/2015 251
92 56,456 0.489 1 in 804 1 7/9/2013 376
93 60,575 0.525 1 in 749 0 Never Never
94 64,928 0.562 1 in 699 2 5/19/2015 279
95 69,478 0.602 1 in 653 2 11/14/2017 149
96 74,271 0.643 1 in 611 1 8/26/2014 317
97 79,269 0.686 1 in 572 0 Never Never
98 84,518 0.732 1 in 537 1 2/20/2018 135
99 89,976 0.779 1 in 504 1 8/13/2019 58
100 95,693 0.829 1 in 474 1 6/4/2019 68
101 101,621 0.880 1 in 447 0 Never Never
102 107,811 0.934 1 in 421 0 Never Never
103 114,214 0.989 1 in 397 0 Never Never
104 120,880 1.047 1 in 375 2 6/23/2020 13
105 127,756 1.106 1 in 355 0 Never Never
106 134,895 1.168 1 in 336 1 2/24/2015 291
107 142,238 1.232 1 in 319 1 7/3/2018 116
108 149,839 1.298 1 in 303 3 10/30/2018 99
109 157,637 1.365 1 in 288 1 8/11/2015 267
110 165,685 1.435 1 in 274 0 Never Never
111 173,918 1.506 1 in 261 1 2/12/2019 84
112 182,392 1.580 1 in 249 2 8/21/2018 109
113 191,035 1.654 1 in 238 2 3/17/2020 27
114 199,904 1.731 1 in 227 1 10/7/2014 311
115 208,926 1.809 1 in 217 3 4/23/2019 74
116 218,156 1.889 1 in 208 5 2/5/2019 85
117 227,517 1.970 1 in 199 1 11/28/2017 147
118 237,067 2.053 1 in 191 2 12/31/2019 38
119 246,723 2.137 1 in 184 2 9/8/2020 2
120 256,543 2.222 1 in 177 3 11/15/2016 201
121 266,443 2.307 1 in 170 1 10/27/2015 256
122 276,480 2.394 1 in 164 1 7/31/2018 112
123 286,566 2.482 1 in 158 4 8/25/2020 4
124 296,761 2.570 1 in 153 3 6/16/2020 14
125 306,971 2.658 1 in 148 2 5/1/2018 125
126 317,257 2.748 1 in 143 3 2/4/2020 33
127 327,524 2.836 1 in 139 1 11/8/2016 202
128 337,832 2.926 1 in 134 4 9/29/2015 260
129 348,083 3.014 1 in 130 3 12/12/2017 145
130 358,340 3.103 1 in 127 0 Never Never Overdue
131 368,500 3.191 1 in 123 2 5/27/2014 330 Overdue
132 378,627 3.279 1 in 120 2 4/26/2016 230
133 388,618 3.366 1 in 117 3 5/7/2019 72
134 398,536 3.451 1 in 114 2 10/18/2016 205
135 408,276 3.536 1 in 111 3 6/18/2019 66
136 417,905 3.619 1 in 109 3 1/16/2018 140
137 427,313 3.701 1 in 106 7 5/12/2020 19
138 436,569 3.781 1 in 104 2 11/6/2018 98
139 445,564 3.859 1 in 102 5 7/9/2019 63
140 454,367 3.935 1 in 99.9 3 10/11/2016 206 Overdue
141 462,867 4.009 1 in 98.0 2 3/24/2020 26
142 471,138 4.080 1 in 96.3 3 6/6/2017 172
143 479,066 4.149 1 in 94.7 7 7/23/2019 61
144 486,727 4.215 1 in 93.2 5 5/15/2018 123
145 494,009 4.278 1 in 91.9 3 3/26/2019 78
146 500,989 4.339 1 in 90.6 7 4/16/2019 75
147 507,555 4.396 1 in 89.4 4 11/20/2018 96
148 513,788 4.450 1 in 88.3 5 7/10/2018 115
149 519,575 4.500 1 in 87.3 6 5/5/2020 20
150 525,000 4.547 1 in 86.4 3 8/20/2019 57
151 529,952 4.590 1 in 85.6 6 6/2/2020 16
152 534,517 4.629 1 in 84.9 6 4/4/2017 181 Overdue
153 538,585 4.664 1 in 84.3 4 12/25/2018 91
154 542,246 4.696 1 in 83.7 2 8/11/2020 6
155 545,390 4.723 1 in 83.2 3 9/10/2019 54
156 548,110 4.747 1 in 82.8 2 10/28/2014 308 Overdue
157 550,299 4.766 1 in 82.5 6 12/24/2019 39
158 552,052 4.781 1 in 82.2 5 3/1/2016 238 Overdue
159 553,264 4.791 1 in 82.0 5 10/15/2019 49
160 554,033 4.798 1 in 81.9 3 9/26/2017 156
161 554,256 4.800 1 in 81.9 6 10/8/2019 50
162 554,033 4.798 1 in 81.9 3 8/1/2017 164 Overdue
163 553,264 4.791 1 in 82.0 5 10/1/2019 51
164 552,052 4.781 1 in 82.2 5 4/21/2020 22
165 550,299 4.766 1 in 82.5 6 1/14/2020 36
166 548,110 4.747 1 in 82.8 5 1/28/2020 34
167 545,390 4.723 1 in 83.2 9 11/5/2019 46
168 542,246 4.696 1 in 83.7 10 5/19/2020 18
169 538,585 4.664 1 in 84.3 4 3/12/2019 80
170 534,517 4.629 1 in 84.9 3 11/13/2018 97
171 529,952 4.590 1 in 85.6 6 4/2/2019 77
172 525,000 4.547 1 in 86.4 7 7/28/2020 8
173 519,575 4.500 1 in 87.3 6 12/10/2019 41
174 513,788 4.450 1 in 88.3 4 11/19/2019 44
175 507,555 4.396 1 in 89.4 6 1/7/2020 37
176 500,989 4.339 1 in 90.6 3 1/21/2020 35
177 494,009 4.278 1 in 91.9 5 8/27/2019 56
178 486,727 4.215 1 in 93.2 3 8/29/2017 160
179 479,066 4.149 1 in 94.7 5 8/18/2020 5
180 471,138 4.080 1 in 96.3 5 6/9/2020 15
181 462,867 4.009 1 in 98.0 5 3/5/2019 81
182 454,367 3.935 1 in 99.9 3 9/15/2020 1
183 445,564 3.859 1 in 102 4 1/8/2019 89
184 436,569 3.781 1 in 104 5 10/2/2018 103
185 427,313 3.701 1 in 106 5 7/21/2020 9
186 417,905 3.619 1 in 109 2 1/1/2019 90
187 408,276 3.536 1 in 111 1 9/12/2017 158
188 398,536 3.451 1 in 114 2 12/17/2019 40
189 388,618 3.366 1 in 117 1 12/27/2016 195
190 378,627 3.279 1 in 120 6 9/1/2020 3
191 368,500 3.191 1 in 123 3 9/4/2018 107
192 358,340 3.103 1 in 127 0 Never Never Overdue
193 348,083 3.014 1 in 130 3 6/30/2020 12
194 337,832 2.926 1 in 134 1 11/3/2015 255
195 327,524 2.836 1 in 139 2 8/8/2017 163
196 317,257 2.748 1 in 143 7 10/24/2017 152
197 306,971 2.658 1 in 148 3 6/5/2018 120
198 296,761 2.570 1 in 153 6 9/24/2019 52
199 286,566 2.482 1 in 158 3 1/15/2019 88
200 276,480 2.394 1 in 164 3 6/25/2019 65
201 266,443 2.307 1 in 170 3 7/4/2017 168
202 256,543 2.222 1 in 177 1 11/29/2016 199
203 246,723 2.137 1 in 184 3 10/9/2018 102
204 237,067 2.053 1 in 191 1 7/2/2013 377
205 227,517 1.970 1 in 199 1 2/25/2020 30
206 218,156 1.889 1 in 208 1 1/5/2016 246
207 208,926 1.809 1 in 217 1 9/16/2014 314
208 199,904 1.731 1 in 227 2 7/11/2017 167
209 191,035 1.654 1 in 238 1 11/22/2016 200
210 182,392 1.580 1 in 249 1 4/7/2020 24
211 173,918 1.506 1 in 261 1 10/8/2013 363
212 165,685 1.435 1 in 274 0 Never Never
213 157,637 1.365 1 in 288 0 Never Never
214 149,839 1.298 1 in 303 0 Never Never
215 142,238 1.232 1 in 319 1 9/18/2018 105
216 134,895 1.168 1 in 336 2 4/28/2015 282
217 127,756 1.106 1 in 355 0 Never Never
218 120,880 1.047 1 in 375 1 11/12/2019 45
219 114,214 0.989 1 in 397 4 12/3/2019 42
220 107,811 0.934 1 in 421 2 10/17/2017 153
221 101,621 0.880 1 in 447 0 Never Never
222 95,693 0.829 1 in 474 1 12/13/2016 197
223 89,976 0.779 1 in 504 0 Never Never
224 84,518 0.732 1 in 537 0 Never Never
225 79,269 0.686 1 in 572 1 5/8/2018 124
226 74,271 0.643 1 in 611 0 Never Never
227 69,478 0.602 1 in 653 1 4/18/2017 179
228 64,928 0.562 1 in 699 0 Never Never
229 60,575 0.525 1 in 749 1 9/22/2015 261
230 56,456 0.489 1 in 804 1 8/4/2020 7
231 52,527 0.455 1 in 864 1 4/12/2016 232
232 48,819 0.423 1 in 930 3 4/25/2017 178
233 45,292 0.392 1 in 1,002 0 Never Never
234 41,975 0.364 1 in 1,081 0 Never Never
235 38,827 0.336 1 in 1,169 0 Never Never
236 35,877 0.311 1 in 1,265 0 Never Never
237 33,086 0.287 1 in 1,372 1 10/13/2015 258
238 30,478 0.264 1 in 1,489 1 1/13/2015 297
239 28,018 0.243 1 in 1,620 1 2/10/2015 293
240 25,728 0.223 1 in 1,764 0 Never Never
241 23,573 0.204 1 in 1,925 1 3/4/2014 342
242 21,575 0.187 1 in 2,103 0 Never Never
243 19,701 0.171 1 in 2,303 0 Never Never
244 17,969 0.156 1 in 2,525 0 Never Never
245 16,350 0.142 1 in 2,776 0 Never Never
246 14,860 0.129 1 in 3,054 0 Never Never
247 13,470 0.117 1 in 3,369 0 Never Never
248 12,197 0.106 1 in 3,721 0 Never Never
249 11,014 0.095 1 in 4,120 0 Never Never
250 9,934 0.086 1 in 4,568 0 Never Never
251 8,934 0.077 1 in 5,079 0 Never Never
252 8,026 0.070 1 in 5,654 0 Never Never
253 7,186 0.062 1 in 6,315 0 Never Never
254 6,428 0.056 1 in 7,060 0 Never Never
255 5,730 0.050 1 in 7,920 0 Never Never
256 5,102 0.044 1 in 8,894 0 Never Never
257 4,526 0.039 1 in 10,026 0 Never Never
258 4,011 0.035 1 in 11,314 0 Never Never
259 3,539 0.031 1 in 12,823 0 Never Never
260 3,120 0.027 1 in 14,545 0 Never Never
261 2,738 0.024 1 in 16,574 0 Never Never
262 2,400 0.021 1 in 18,908 0 Never Never
263 2,093 0.018 1 in 21,682 0 Never Never
264 1,824 0.016 1 in 24,879 0 Never Never
265 1,579 0.014 1 in 28,739 0 Never Never
266 1,367 0.012 1 in 33,197 0 Never Never
267 1,175 0.010 1 in 38,621 0 Never Never
268 1,009 0.009 1 in 44,975 0 Never Never
269 860 0.007 1 in 52,767 0 Never Never
270 733 0.006 1 in 61,909 0 Never Never
271 618 0.005 1 in 73,430 0 Never Never
272 522 0.005 1 in 86,934 0 Never Never
273 436 0.004 1 in 104,082 0 Never Never
274 364 0.003 1 in 124,669 0 Never Never
275 300 0.003 1 in 151,265 0 Never Never
276 248 0.002 1 in 182,982 0 Never Never
277 201 0.002 1 in 225,769 0 Never Never
278 164 0.001 1 in 276,705 0 Never Never
279 131 0.001 1 in 346,409 0 Never Never
280 105 0.001 1 in 432,187 0 Never Never
281 82 0.001 1 in 553,410 0 Never Never
282 65 0.001 1 in 698,148 0 Never Never
283 49 0.000 1 in 926,115 0 Never Never
284 38 0.000 1 in 1,194,201 0 Never Never
285 28 0.000 1 in 1,620,701 0 Never Never
286 21 0.000 1 in 2,160,934 0 Never Never
287 15 0.000 1 in 3,025,308 0 Never Never
288 11 0.000 1 in 4,125,420 0 Never Never
289 7 0.000 1 in 6,482,803 0 Never Never
290 5 0.000 1 in 9,075,925 0 Never Never
291 3 0.000 1 in 15,126,540 0 Never Never
292 2 0.000 1 in 22,689,810 0 Never Never
293 1 0.000 1 in 45,379,620 0 Never Never
294 1 0.000 1 in 45,379,620 0 Never Never

Supplementary Numbers:
Number Sum Total Possible Combinations Expectation Actual Over 1,385 Draws
Count Frequency Count Last Drawn Draws Ago
3 1 1.399 1 in 990 1 12/15/2015 249
4 1 1.399 1 in 990 0 Never Never
5 2 2.798 1 in 495 3 11/17/2015 253
6 2 2.798 1 in 495 2 11/20/2018 96
7 3 4.197 1 in 330 4 8/4/2020 7
8 3 4.197 1 in 330 3 11/27/2018 95
9 4 5.596 1 in 248 9 1/28/2020 34
10 4 5.596 1 in 248 3 12/20/2016 196
11 5 6.995 1 in 198 6 11/28/2017 147
12 5 6.995 1 in 198 7 5/16/2017 175
13 6 8.394 1 in 165 5 2/11/2020 32
14 6 8.394 1 in 165 7 6/25/2019 65
15 7 9.793 1 in 141 8 5/26/2015 278
16 7 9.793 1 in 141 6 3/8/2016 237
17 8 11.192 1 in 124 13 11/22/2016 200
18 8 11.192 1 in 124 14 4/23/2019 74
19 9 12.591 1 in 110 7 3/17/2020 27
20 9 12.591 1 in 110 8 8/18/2020 5
21 10 13.990 1 in 99.0 15 2/4/2020 33
22 10 13.990 1 in 99.0 20 5/8/2018 124
23 11 15.389 1 in 90.0 14 4/26/2016 230 Overdue
24 11 15.389 1 in 90.0 13 1/1/2019 90
25 12 16.788 1 in 82.5 19 7/28/2020 8
26 12 16.788 1 in 82.5 8 10/8/2019 50
27 13 18.187 1 in 76.2 15 11/7/2017 150
28 13 18.187 1 in 76.2 23 9/15/2020 1
29 14 19.586 1 in 70.7 26 4/21/2020 22
30 14 19.586 1 in 70.7 16 1/7/2020 37
31 15 20.985 1 in 66.0 23 8/25/2015 265 Overdue
32 15 20.985 1 in 66.0 19 6/26/2018 117
33 16 22.384 1 in 61.9 32 3/24/2020 26
34 16 22.384 1 in 61.9 20 2/26/2019 82
35 17 23.783 1 in 58.2 27 12/10/2019 41
36 17 23.783 1 in 58.2 28 12/3/2019 42
37 18 25.182 1 in 55.0 22 12/19/2017 144 Overdue
38 18 25.182 1 in 55.0 31 4/7/2020 24
39 19 26.581 1 in 52.1 20 6/9/2020 15
40 19 26.581 1 in 52.1 28 9/24/2019 52
41 20 27.980 1 in 49.5 46 11/13/2018 97
42 20 27.980 1 in 49.5 32 4/10/2018 128 Overdue
43 21 29.379 1 in 47.1 24 10/1/2019 51
44 21 29.379 1 in 47.1 29 11/12/2019 45
45 22 30.778 1 in 45.0 30 7/14/2020 10
46 22 30.778 1 in 45.0 29 9/18/2018 105 Overdue
47 22 30.778 1 in 45.0 28 8/25/2020 4
48 21 29.379 1 in 47.1 30 5/5/2020 20
49 21 29.379 1 in 47.1 38 10/29/2019 47
50 20 27.980 1 in 49.5 14 5/14/2019 71
51 20 27.980 1 in 49.5 23 8/6/2019 59
52 19 26.581 1 in 52.1 22 7/21/2020 9
53 19 26.581 1 in 52.1 23 10/9/2018 102
54 18 25.182 1 in 55.0 31 7/7/2020 11
55 18 25.182 1 in 55.0 22 9/1/2020 3
56 17 23.783 1 in 58.2 24 12/26/2017 143 Overdue
57 17 23.783 1 in 58.2 25 6/16/2020 14
58 16 22.384 1 in 61.9 23 11/5/2019 46
59 16 22.384 1 in 61.9 30 4/14/2020 23
60 15 20.985 1 in 66.0 16 8/11/2020 6
61 15 20.985 1 in 66.0 18 1/29/2019 86
62 14 19.586 1 in 70.7 18 7/17/2018 114
63 14 19.586 1 in 70.7 19 1/21/2020 35
64 13 18.187 1 in 76.2 20 9/8/2020 2
65 13 18.187 1 in 76.2 15 5/22/2018 122
66 12 16.788 1 in 82.5 23 7/23/2019 61
67 12 16.788 1 in 82.5 23 5/26/2020 17
68 11 15.389 1 in 90.0 12 2/13/2018 136
69 11 15.389 1 in 90.0 12 6/18/2019 66
70 10 13.990 1 in 99.0 11 4/4/2017 181
71 10 13.990 1 in 99.0 8 8/13/2019 58
72 9 12.591 1 in 110 12 5/7/2019 72
73 9 12.591 1 in 110 14 6/23/2020 13
74 8 11.192 1 in 124 5 5/19/2020 18
75 8 11.192 1 in 124 15 9/19/2017 157
76 7 9.793 1 in 141 11 3/31/2020 25
77 7 9.793 1 in 141 6 9/1/2009 575 Overdue
78 6 8.394 1 in 165 12 7/2/2019 64
79 6 8.394 1 in 165 12 10/3/2017 155
80 5 6.995 1 in 198 11 4/28/2020 21
81 5 6.995 1 in 198 9 4/9/2019 76
82 4 5.596 1 in 248 5 6/2/2020 16
83 4 5.596 1 in 248 3 6/21/2011 483
84 3 4.197 1 in 330 5 3/1/2011 499
85 3 4.197 1 in 330 6 7/7/2015 272
86 2 2.798 1 in 495 7 12/24/2019 39
87 2 2.798 1 in 495 6 12/31/2013 351
88 1 1.399 1 in 990 2 3/29/2011 495
89 1 1.399 1 in 990 1 10/10/2000 1,039

Page Last Updated: Tuesday, 15 September 2020 11:33 AM