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probability

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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

incorrect
{HTH}: the sequence Heads, Tails, Heads

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

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

incorrect

  • probability -

    1/3

  • probability -

    0.125

    0.125

    0.375

    0.5

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