In a binomial experiment, if there are two possible outcomes and P(S) = 0.36, what is P(F)?

With two possible outcomes, success (S) and failure (F) are complementary, so their probabilities add to 1. Therefore, P(F) = 1 − P(S) = 1 − 0.36 = 0.64, which is choice D, 0.64.

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