If P (A or B)= 1

question 41

True/False

If P (A or B)= 1.0,then A and B must be collectively exhaustive.

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Definitions:

Random

Lacking any definite plan or order or purpose; governed by or depending on chance.

Warranted

Justified or supported by reasonable evidence or authority.

Sound

Audible vibrations perceived by the ears or a descriptor for arguments, reasoning, or principles that are based on solid reasoning or evidence.

Valid

Legally sound, officially acceptable, or able to withstand objection or challenge.