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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

二項分布的期望值、標準差,合理性檢定
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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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