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You flip a fair coin (i.e., the probability of obtaining Heads is 1/2) three times. Assume that all sequences of coin flip results, of length 3, are equally likely. Determine the probability of each of the following events.

{HHH}: 3 Heads

{HTH}: the sequence Heads, Tails, Heads

Any sequence with 2 Heads and 1 Tails (in any order):

Any sequence in which the number of Heads is greater than or equal to the number of Tails:


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