Viz the law of large numbers

	A	B	C
1	Number of flips	Heads (1 is sucess)	Probability
2	1	1	1
3	2	0	0.5
4	3	1	0.6666666667
5	4	1	0.75
6	5	1	0.8
7	6	1	0.8333333333
8	7	0	0.7142857143
9	8	0	0.625
10	9	1	0.6666666667
11	10	1	0.7
12	11	0	0.6363636364
13	12	0	0.5833333333
14	13	1	0.6153846154
15	14	1	0.6428571429
16	15	0	0.6
17	16	1	0.625
18	17	0	0.5882352941
19	18	1	0.6111111111
20	19	0	0.5789473684
21	20	0	0.55
22	21	1	0.5714285714
23	22	1	0.5909090909
24	23	0	0.5652173913
25	24	0	0.5416666667
26	25	1	0.56
27	26	1	0.5769230769
28	27	1	0.5925925926
29	28	0	0.5714285714
30	29	0	0.5517241379
31	30	1	0.5666666667
32	31	0	0.5483870968
33	32	0	0.53125
34	33	0	0.5151515152
35	34		0.5
36	35
37	36
38	37
39	38
40	39
41	40
42	41
43	42
44	43
45	44
46	45
47	46
48	47
49	48
50	49
51	50
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
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95
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97
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99
100