丟一枚均勻硬幣3次,並令隨機變數X表示正面出現的次數。樣本空間
S={(+, +, +), (+, +, -), (+, -, +), (-, +, +), (+, -, -), (-, +, -), (-, -, +), (-, -, -)}
請問 P(X=3) = ?
離散型隨機變數(機率問題)
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
柏豪 蘇
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣3次,並令隨機變數X表示正面出現的次數。樣本空間
S={(+, +, +), (+, +, -), (+, -, +), (-, +, +), (+, -, -), (-, +, -), (-, -, +), (-, -, -)}
請問 P(X=3) = ?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣3次,並令隨機變數X表示正面出現的次數。樣本空間
S={(+, +, +), (+, +, -), (+, -, +), (-, +, +), (+, -, -), (-, +, -), (-, -, +), (-, -, -)}
請問 P(X=1) = ?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣4次,並令隨機變數X表示正面出現的次數。樣本空間S如圖。請問 P(X=0) = ?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣4次,並令隨機變數X表示正面出現的次數。樣本空間S如圖。請問 P(X=1) = ?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣4次,並令隨機變數X表示正面出現的次數。樣本空間S如圖。請問 P(X=2) = ?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣4次,並令隨機變數X表示正面出現的次數。樣本空間S如圖。請問 P(X=3) = ?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丟一枚均勻硬幣4次,並令隨機變數X表示正面出現的次數。樣本空間S如圖。請問 P(X=4) = ?
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