What is the probability that there were at least two heads

Reference no: EM131809629

Question: A biased coin lands heads with probability 2/3. The coin is tossed three times,

a) Given that there was at least one head in the three losses, what is the probability that there were at least two heads?

b) Use your answer in a) to find the probability that there was exactly one head given that there was at least one head in the three tosses.

Reference no: EM131809629

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