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A fair (unbiased) coin was tossed four times in succession and resulted in the following outcomes: (i) H head, (ii) H head, (iii) H head, (iv) H head. The probability of obtaining a 'Tail' when the coin is tossed again is

1. 0
2. 1/2
3. 4/5
4. 1/5

Correct answer: 1/2

Solution

The outcome of previous tosses does not affect the probability of future tosses with a fair coin; each toss is independent. Therefore, the probability of getting a 'Tail' remains 1/2 regardless of the previous results.

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