|
チョコレートを買った数 |
|
エクセルでの計算式 |
少なくともひとつはシロクマのぬいぐるみが当たる確率 |
|
20 |
|
=1-BINOMDIST(0,C42,0.05,FALSE) |
0.6415 |
|
30 |
|
=1-BINOMDIST(0,C43,0.05,FALSE) |
0.7854 |
|
40 |
|
=1-BINOMDIST(0,C44,0.05,FALSE) |
0.8715 |
|
50 |
|
=1-BINOMDIST(0,C45,0.05,FALSE) |
0.9231 |
|
60 |
|
=1-BINOMDIST(0,C46,0.05,FALSE) |
0.9539 |
|
70 |
|
=1-BINOMDIST(0,C47,0.05,FALSE) |
0.9724 |
|
80 |
|
=1-BINOMDIST(0,C48,0.05,FALSE) |
0.9835 |
|
90 |
|
=1-BINOMDIST(0,C49,0.05,FALSE) |
0.9901 |
|
100 |
|
=1-BINOMDIST(0,C50,0.05,FALSE) |
0.9941 |
|
|
|
|
|
|
50 |
|
|
0.9231 |
|
51 |
|
|
0.9269 |
|
52 |
|
|
0.9306 |
|
53 |
|
|
0.9340 |
|
54 |
|
|
0.9373 |
|
55 |
|
|
0.9405 |
|
56 |
|
|
0.9434 |
|
57 |
|
|
0.9463 |
|
58 |
|
|
0.9490 |
|
59 |
|
|
0.9515 |
|
60 |
|
|
0.9539 |
|
|
|
|
|
|
81 |
|
|
0.9843 |
|
82 |
|
|
0.9851 |
|
83 |
|
|
0.9858 |
|
84 |
|
|
0.9865 |
|
85 |
|
|
0.9872 |
|
86 |
|
|
0.9879 |
|
87 |
|
|
0.9885 |
|
88 |
|
|
0.9890 |
|
89 |
|
|
0.9896 |
|
90 |
|
|
0.9901 |