A Company Set Up a Kiosk in the Mall of America

question 116

Short Answer

A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow: What is the probability that black, lime or orange are the favorite colors given that the person's age is 21 or older?

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Definitions:

Zinc Metal

A chemical element with the symbol Zn, atomic number 30, known for its resistance to corrosion and importance in various biological and industrial processes.

Oxidized

A chemical process where a substance loses electrons or gains oxygen, often resulting in a change in properties like increased rusting in metals or browning in fruits.

Reduced

In chemistry, describes a species that has gained electrons during a reaction, often associated with a decrease in oxidation state.

Neutralization

A chemical reaction in which an acid and a base react quantitatively to form water and a salt.