822 Customers Were Randomly Selected from Those Who Had Recently

question 42

Multiple Choice

822 customers were randomly selected from those who had recently bought a book over the internet.The chart below shows the breakdown of the classification of the book type: What percentages of books were in the top two categories?

• A)22.99
• B)20.44
• C)4.50
• D)43.43
• E).4343

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Definitions:

Myotome

A group of muscles innervated by the motor fibers of a single spinal nerve root, used to assess and diagnose nerve root damage.

Centrally Acting Muscle Relaxants

Drugs that reduce muscle tension and associated pain by acting on the central nervous system rather than directly on the muscles.

Calcium Blood Test

A diagnostic test measuring the level of calcium in the blood, used to assess bone health and parathyroid function.

CK

Creatine Kinase, an enzyme found in the heart, brain, and skeletal muscle, used as a marker of muscle damage or disease.