1,307 views
3 votes
3 votes
A fair(unbiased) coin was tossed 4 times in succession and resulted in the following outcomes : I) head ii) head iii) head iv) head.  The probability of obtaining a "tail" when the coin is tossed again is

A) 0 B) 1/2 C) 4/5 D) 1/5

1 Answer

1 votes
1 votes

All 5 coin tosses are independent event. 

Independent Event :Two events, A and B, are independent if the fact that A occurs does not affect the probability of B occurring.

As mentioned in the question, the coin is fair. Hence the probability is $\large \frac{1}{2}$

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