If P(A)= 30,P(B)=

question 61

True/False

If P(A)= .30,P(B)= .60,and P(A and B)= .20,then P(A|B)= .40.

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Definitions:

AsS

Arsenic sulfide, a compound of arsenic and sulfur, known for its use in pigments and in various chemical reactions.

Arsenic

A toxic chemical element known by the symbol As, used in various industrial processes but also known for its poisonous properties.

EPA

The Environmental Protection Agency, a U.S. federal agency established to protect human health and the environment.

Drinking Water

Water that is safe and clean for human consumption, free from contaminants and harmful organisms.