作业帮英语翻译2) An experiment consists of rolling an eight-sided die
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英语翻译
2) An experiment consists of rolling an eight-sided die numbered 1 to 8.The following are two possible events.
- A :obtaining an even number
- B :obtaining a number less than 6
-\x05Calculate :
-\x05P(A) :
-\x05P(B) :
-\x05P(A U B):
-\x05P(A∩B):
-\x05P(A’):
-\x05P(B’ U A ):
2) An experiment consists of rolling an eight-sided die numbered 1 to 8.The following are two possible events.
- A :obtaining an even number
- B :obtaining a number less than 6
-\x05Calculate :
-\x05P(A) :
-\x05P(B) :
-\x05P(A U B):
-\x05P(A∩B):
-\x05P(A’):
-\x05P(B’ U A ):
偶数 2 4 6 8
-\x05P(A) :4/8=1/2
-\x05P(B) :5/8
-\x05P(A U B):7/8,即可以1 2 3 4 5 6 8
-\x05P(A∩B):2/8=1/4 ,即2 4
-\x05P(A’):1-p(A)=1/2
-\x05P(B’ U A ):5/8,即可以6、7、8、2、4,
-\x05P(A) :4/8=1/2
-\x05P(B) :5/8
-\x05P(A U B):7/8,即可以1 2 3 4 5 6 8
-\x05P(A∩B):2/8=1/4 ,即2 4
-\x05P(A’):1-p(A)=1/2
-\x05P(B’ U A ):5/8,即可以6、7、8、2、4,
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