A Survey Reported That in a Recent Year, the Mean

question 46

Multiple Choice

A survey reported that in a recent year, the mean serum cholesterol level in milligrams per deciliter for U.S. adults was 199 with a standard deviation of 44. A random sample of 104 adults was Chosen. What is the probability that the mean cholesterol level is less than 198?

• A) 0.4920
• B) 0.5080
• C) 0.5910
• D) 0.4090

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Definitions:

Pronator Muscles

Muscles located in the forearm that are responsible for pronating the forearm, turning the hand so the palm faces downwards.

Cervical Nerves

A set of eight pairs of nerves that emerge from the cervical segment of the spinal cord, responsible for sensory and motor functions of the neck, shoulder, arm, and hand.

Dura Mater

The outermost, tough layer of the meninges which envelops the brain and spinal cord for protection.

Fibrous Connective Tissue

A type of connective tissue that is composed mainly of fibers, providing support and strength to various body structures.