
11302遠距教學_機率1_後測
Authored by 陳 品妍
Mathematics
12th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
同時擲三枚公正硬幣,出現兩正面一反面的機率是多少?
1/8
3/8
1/2
3/4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
從1到20的整數中,隨機選取一個數,選到質數的機率是多少?
2/5
1/2
9/20
1/4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
袋子裡有5顆紅球、3顆白球和2顆黑球,小明從袋中隨機取出一個球,觀察顏色後放回。小華再從袋中隨機取出一個球,請問小明和小華都取到紅球的機率是多少?
1/2
1/4
1/5
1/10
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
某公司舉辦尾牙抽獎活動,獎項包含:特獎1名、頭獎3名、二獎6名,以及參加獎若干名。已知員工總人數為100人,每人限抽一次。若小明是該公司員工,他抽中特獎或頭獎的機率是多少?
1/100
3/100
1/25
1/10
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
擲三枚均勻硬幣一次,試求至少出現一反面的機率。
1/8
3/8
5/8
7/8
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