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概率(一)

Authored by Chih Kuo

Mathematics

6th - 8th Grade

Used 2+ times

概率(一)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

1.     從整數 1 至 20 中隨意選出一個,求這個數是 4 的倍數的概率。

0.2

0.25

0.3

0.4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2.從「CANTONESE」這個英文字中隨意抽出一個字母,這字母是「E」或「N」的概率是多少?

1/3
2/5
1/2

4/9

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3.投擲兩枚勻稱骰子,求兩個點數之和是 7 的概率。

1/5

1/6

7/30

5/36

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

4.從一副52張的撲克牌中隨意抽出一張,求抽得一張紅心的概率。

1/13

1/10

1/7

1/4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

5.志峰正在猜測他的朋友詠芝的出生日子。詠芝給他提示,就是該日子是一個 3 的倍數,而且她在九月份出生。志峰會猜中的概率是多少?

1/3

1/10

3/10

10/31

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

6.一個袋子裏有兩個黑球、一個紅球、一個橙球及一個綠球。現由袋中隨意抽取兩個球,求抽出至少一個紅球的概率。

9/25

7/10

2/5

3/4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

7.一個袋子中有 4 個紅球和 6 個藍球,從袋子中隨機抽取 1 個球,抽到藍球的概率是 ?

1/5

2/5

3/5

4/5

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