Question 16

A fair coin is tossed repeatedly. If tail appears on first four tosses, then the probability of head appearing on fifth toss equals.

Solution

The probability will be $$\dfrac{1}{2}$$ because each coin toss is an independent event. The results of the first four tosses do not influence the outcome of the fifth toss, so the probability of getting a head on the fifth toss remains $$\dfrac{1}{2}$$.

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