
二項分布的期望值、標準差,合理性檢定
Authored by 柏豪 蘇
Mathematics
9th - 12th Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
重複擲一粒公正骰子 180 次,觀察所出現的點數,求 6 點出現次數的期望值。
30
40
50
60
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3
4
5
6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
重複丟一枚均勻硬幣 36 次,觀察出現正面或反面的情形,求正面出現次數的期望值。
12
18
24
36
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3
4
5
6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
重複「同時丟兩枚均勻硬幣」300次,觀察出現正面或反面的情形,並令隨機變數X表示兩枚硬幣都出現正面的次數,求X的期望值?
50
75
100
125
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
2
3
4
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