# Question

Let A and B be events of a sample space.

a. Suppose that A and (not B) are mutually exclusive. Explain why B occurs whenever A occurs.

b. Suppose that B occurs whenever A occurs. Explain why A and (not B) are mutually exclusive.

Extending the Concepts and Skills

a. Suppose that A and (not B) are mutually exclusive. Explain why B occurs whenever A occurs.

b. Suppose that B occurs whenever A occurs. Explain why A and (not B) are mutually exclusive.

Extending the Concepts and Skills

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