In a Mix of Pennies and Nickels, There Are 22

question 23

Multiple Choice

In a mix of pennies and nickels, there are 22 coins with a total value of 82 cents. How many nickels are there?

• A)11 nickels
• B)7 nickels
• C)8 nickels
• D)15 nickels

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Definitions:

Standard Deviation

A quantitative indicator that calculates the degree of spread or variability among a collection of data points.

Expected Rate

The anticipated return on an investment over a specific period.

Standard Deviation

A statistical measure that quantifies the variation or dispersion of a set of numerical data from its mean.

Zero Standard Deviation

A statistical measure indicating that all values within a data set are identical.