What is the conjunction fallacy about?

Question

Accepted Answer

The tendency to overestimate the probability of conjunct outcomes (i.e., outcome A AND outcome B)

Answer

The tendency to overestimate the probability of conjunct outcomes (i.e., outcome A OR outcome B)

Answer

The tendency to underestimate the probability of conjunct outcomes (i.e., outcome A OR outcome B)

Answer

The tendency to underestimate the probability of conjunct outcomes (i.e., outcome A AND outcome B)

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