Three Defective Electric Toothbrushes Were Accidentally Shipped to a Drugstore

question 35

Multiple Choice

Three defective electric toothbrushes were accidentally shipped to a drugstore by the manufacturer along with 17 non-defective ones. What is the probability that the first two electric toothbrushes sold will be returned to the drugstore because they are defective?

• A) 3/20 or 0.15
• B) 3/17 or 0.176
• C) ¼ or 0.25
• D) 3/190 or 0.01579

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Definitions:

Adaptability

The quality of being able to adjust to new conditions or environments, showing flexibility in coping with changes.

Quality of Life

The general well-being of individuals and societies, outlining the negative and positive aspects of life, including health, comfort, and happiness.

Sense of Taste

One of the five senses, culminating from the ability to perceive and distinguish flavors through the taste buds in the mouth.

Hypertension

A chronic medical condition in which the blood pressure in the arteries is persistently elevated.