If Two Events Are Mutually Exclusive and Collectively Exhaustive,what Is

question 112

Multiple Choice

If two events are mutually exclusive and collectively exhaustive,what is the probability that one or the other occurs?

• A)0.
• B)0.50.
• C)1.00.
• D)Cannot be determined from the information given.

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Definitions:

Polyp

A hydralike animal; the sessile stage of the life cycle of certain cnidarians. Compare with medusa.

Stinging Cell

A Stinging Cell, or cnidocyte, is a specialized cell found in the tentacles of jellyfish and other cnidarians used for prey capture and defense by discharging a toxic substance.

Radula

A unique, toothed structure found in mollusks, used for scraping or cutting food before ingestion.

Phylum Platyhelminthes

A group of invertebrates known as flatworms, characterized by their flat bodies, bilateral symmetry, and lack of body cavity.