Consider an experiment of tossing a coin repeatedly until the outcomes of two consecutive tosses are same. If the probability of a random toss resulting in head is $\frac{1}{3}$, then the probability that the experiment stops with head is.
Consider an experiment of tossing a coin repeatedly until the outcomes of two consecutive tosses are same. If the probability of a random toss resulting in head is $\frac{1}{3}$, then the probability that the experiment stops with head is.
- [IIT 2023]
- A
$\frac{1}{3}$
- B
$\frac{5}{21}$
- C
$\frac{4}{21}$
- D
$\frac{2}{7}$
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