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If there are only two possible outcomes to an experiment then...
A.) the two corresponding probabilities must each be.50.
B.) the two corresponding probabilities could be any numbers between 0 and 1, but must add up to 1.
C.) the two corresponding probabilities could each be any numbers between 0 and 1.
D.) the two corresponding probabilities must be 0 and 1.

  • Stats -

    The sum of all probabilities is always 1, B.

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