Most Adults Spend About _____ of Their Time in REM

question 6

Multiple Choice

Most adults spend about _____ of their time in REM sleep,whereas infants spend about ____ of their time in REM.

• A) one-fifth; half
• B) half; one-fifth
• C) half; half
• D) one-third; half

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Definitions:

Portfolio

An aggregation of financial instruments such as company shares, debt securities, tangible commodities, available cash, and cash-like resources, including mutual funds and ETFs.

Perfectly Positively Correlated

A situation where two variables move in the same direction at the same rate, represented by a correlation coefficient of +1.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values in a data set are.

Portfolio

A collection of investments held by an individual or institution which may include stocks, bonds, and other assets.