0.
0.32
0.40
0.30
0
1.6
0.9
Variance — 1.6033
Standard deviation — 1.2662
Variance — 8
Standard deviation — 2√2
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Answers & Comments
4.
X-P(X)
0.
0.32
0.40
0.30
0.40
X2-P(X)
0
0.32
1.6
0.9
1.6
Variance — 1.6033
Standard deviation — 1.2662
5.
Variance — 8
Standard deviation — 2√2
官鸿
陈瑶
王鹤棣
沈月