Mathematics
Senior High
計算がキモすぎて吐き気がしてきました笑
自分が計算へたなのもあるんですが、、
誰かこの計算の仕方の正解教えてくれ〜🙇♀️
400
1.96
R(1-R)
n
=1.96
0.54 × 0.46
400
≒ 0.049
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