英语数学题,有关概率的independent event
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:综合作业 时间:2024/06/17 03:38:58
英语数学题,有关概率的independent event
Consider the following experiments and events:
(i)A fair coin is tossed 5 times.E is the event that the first toss is heads.F is the event that the third toss is tails.
(ii)A fair coin is tossed 3 times.E is the event that the first toss is heads.F is the event that heads is tossed at least once.
(iii)Two cards are drawn,without replacement,from a standard deck.E is the event that the first card is a heart.F is the event that the second card is black.
In which of these are E and F independent events?
A.(i) only
B.(ii) only
C.(iii) only
D.(i) and (ii) only
E.(i) and (iii) only
Consider the following experiments and events:
(i)A fair coin is tossed 5 times.E is the event that the first toss is heads.F is the event that the third toss is tails.
(ii)A fair coin is tossed 3 times.E is the event that the first toss is heads.F is the event that heads is tossed at least once.
(iii)Two cards are drawn,without replacement,from a standard deck.E is the event that the first card is a heart.F is the event that the second card is black.
In which of these are E and F independent events?
A.(i) only
B.(ii) only
C.(iii) only
D.(i) and (ii) only
E.(i) and (iii) only
![英语数学题,有关概率的independent event](/uploads/image/z/19398909-21-9.jpg?t=%E8%8B%B1%E8%AF%AD%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E6%9C%89%E5%85%B3%E6%A6%82%E7%8E%87%E7%9A%84independent+event)
(i) and (iii) only.
That is that E is the answer.
That is that E is the answer.