Explain Why the Given Statement Is Incorrect

question 62

Essay

Explain why the given statement is incorrect.
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Mark Owens, an optician, estimates that the probability that a customer coming into his store will purchase one or more pairs of glasses but not contact lenses is .35, and the probability that he will purchase one or more pairs of contact lenses but not glasses is .25. Hence, Owens concludes that the probability that a customer coming into his store will purchase neither a pair of glasses nor a pair of contact lenses is .40.

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Definitions:

Benzene

A volatile, colorless, and highly flammable liquid hydrocarbon, used as a solvent and in the manufacture of various chemicals, known for its carcinogenic properties.

Methane

A potent greenhouse gas and energy source, consisting of one carbon atom bonded to four hydrogen atoms (CH4).

Lichens

Symbiotic organisms composed of a fungus and a photosynthetic partner, typically algae or cyanobacteria, that live together in a mutualistic relationship.

Air Pollution

The presence of substances in the air at levels that are harmful to human health or the environment, originating from various sources like industrial activities, vehicle emissions, and natural events.