CA Foundation Exam > CA Foundation Questions > When 3 unbiased coins are tossed. The probabi...
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When 3 unbiased coins are tossed. The probability of obtaining 3 heads is
- a)2/4
- b)¼
- c)¾
- d)0
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
When 3 unbiased coins are tossed. The probability of obtaining 3 heads...
Correct Answer :- d
Explanation :
Total no. Of outcomes: HHH, HHT, HTH, THH, TTH, THT, HTT, TTT
No. Outcomes of all heads: 1
Prob. Of all heads = no. Of outcomes of all heads/ total no. Of outcomes
i.e (1/8)
Most Upvoted Answer
When 3 unbiased coins are tossed. The probability of obtaining 3 heads...
Unbiased coins means heads and tails not having equal probability. so that one can exactly says which comes on coin .
so there is no probability.
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Community Answer
When 3 unbiased coins are tossed. The probability of obtaining 3 heads...
The probability of obtaining a head on a single coin toss is 1/2, since there are two equally likely outcomes (heads or tails).
Since the coins are unbiased, the outcome of one coin toss does not affect the outcome of another coin toss.
Therefore, the probability of obtaining 3 heads on the 3 coin tosses is (1/2) * (1/2) * (1/2) = 1/8.
None of the given options (a) 2/4 or b) ) are equal to 1/8, so none of them are correct.
Since the coins are unbiased, the outcome of one coin toss does not affect the outcome of another coin toss.
Therefore, the probability of obtaining 3 heads on the 3 coin tosses is (1/2) * (1/2) * (1/2) = 1/8.
None of the given options (a) 2/4 or b) ) are equal to 1/8, so none of them are correct.
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When 3 unbiased coins are tossed. The probability of obtaining 3 heads isa)2/4b)¼c)¾d)0Correct answer is option 'D'. Can you explain this answer?
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