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4/6數學小考

Authored by 李彥瑾 李彥瑾

Mathematics

8th Grade

Used 3+ times

4/6數學小考
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

請問下列敘述,何者的機率不是1/2?

在均勻的骰子中,骰出奇數的機率

拋擲一均勻硬幣,出現正面的機率

丟出一枚圖釘,其尖端朝上的機率

拜拜擲茭後,出現一正一反的機率

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

隨機抽一張牌後,若不含鬼牌,則以下敘述何者正確?

抽出英文號碼的機率為1/13

抽出數字號碼的機率為1/4

抽出花色為黑桃的機率為1/4

抽出顏色為黑色的機率為1/4

3.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

隨機骰兩顆均勻骰子後,若第一顆骰子的數字為x,第二顆骰子的數字為y;則x+y=10的機率為:

(a)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

隨機骰出兩顆骰子後,下列敘述何者正確?

全部共有40種可能

兩點數之和等於1的機率為0

兩點數之和大於1的機率為35/36

其中一個點數為6的機率為1/3

5.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

假設兩高莖植物各帶一隱性基因,且高莖為顯性、矮莖為隱性。則此兩植物雜交後,其子代出現高莖和矮莖的比值為何?

(a)  

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