(i) and (iii) only.
That is that E is the answer.
英語(yǔ)數(shù)學(xué)題,有關(guān)概率的independent event
英語(yǔ)數(shù)學(xué)題,有關(guān)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
其他人氣：152 ℃時(shí)間：2020-09-29 16:01:49
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