Question: A gambler has a regular coin and a two-headed coin in his packet. The probability of selecting the two-head coin is given as p =

A gambler has a regular coin and a two-headed coin in his packet. The probability of selecting the two-head coin is given as p = 2/3. He select a coin and flips it n = 2 times and obtains heads both the times. What is the probability that the two-headed coin is picked both the times?

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