When You Are Breathing Normally, Exhalation Results Mainly from

question 53

Multiple Choice

When you are breathing normally, exhalation results mainly from

• A)the contraction of muscles in the chest.
• B)the contraction of the diaphragm.
• C)the relaxation of the chest muscles and diaphragm.
• D)low pressure in the lungs.

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Definitions:

Random Variable

A variable with values that are numerical manifestations of random happenings.

Standard Normal

A typical distribution that has a mean value of 0 and a standard deviation value of 1.

Obtaining

The act of gaining possession of something, usually after an effort.

Uniformly Distributed

A distribution where all outcomes are equally likely, and the variable's values are spread evenly over the range of possibilities.