Mathematics, 26.05.2021 18:50, Crxymia

71 6. Beatrice has two coins. The first coin is fair and the second coin is biased. The biased coin comes up heads with probability 2/3 and tails with probability 1/3. Beatrice selects one of the two coins uniformly at random (so each coin is equally likely to be chosen) and flips the selected coin 4 times. The result is HHTH. What is the probability that the fair coin was se

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71 6. Beatrice has two coins. The first coin is fair and the second coin is biased. The biased coin...