If an Event Has Two Possible Outcomes, a and B

question 84

Multiple Choice

If an event has two possible outcomes, A and B, and the probability of event A occurring is 0.30, the probability of event B occurring is _________.

• A)0.30
• B)0.20
• C)0.70
• D)1.00

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Definitions:

Modus Ponens

A form of logical argument where a premise, if true, inevitably leads to a particular conclusion.

Modus Tollens

A logical argument form where if the consequent is not true, then the antecedent cannot be true; often formatted as "If P, then Q. Not Q, therefore not P."

Deductive Reasoning

A rational procedure where an outcome is derived from the agreement of several statements, which are widely accepted as true.

Deductive Validity

A property of some logical arguments such that it is impossible for the premises to be true and for the conclusion(s) to be false.