Solve the Problem $46 \%$ ; (Ii) $54 \%$ ; (Iii) $170 \%$

question 4

Multiple Choice

Solve the problem.
-A study was conducted to determine whether flipping a penny or spinning a penny has an effect on the Proportion of heads. Among 56,126 trials, 25,586 involved flipping pennies, and 12,630 of those pennies turned Up heads. The other 30,540 trials involved spinning pennies, and 12,815 of those pennies turned up heads.
(i) What percentage of the trials involved flipping pennies?
(ii) What percentage of the trials involved spinning pennies?
(iii) Among the pennies that were flipped, what is the percentage that turned up heads?
(iv) Among the pennies that were spun, what is the percentage that turned up heads?
Round your answers to the nearest percent.

• A) (i) \(46 \%\); (ii) \(54 \%\); (iii) \(170 \%\); (iv) \(142 \%\)
• B) (i) \(54 \%\); (ii) \(46 \%\); (iii) \(49 \%\); (iv) \(42 \%\)
• C) (i) \(46 \%\);(ii) \(54 \%\);(iii) \(49 \%\); ((iv) \(42 \%\)
• D) (i) \(46 \%\);(ii) \(54 \%\);(iii) \(50 \%\); (iv) \(41 \%\)

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Definitions:

Aggregate Demand

The total call for goods and services throughout an economy, calculated at a predetermined price level during a given time period.

U.S. Financial Institutions

Organizations that provide financial services, such as banks, insurance companies, and stock exchanges, within the United States.

Bonds

A rephrased definition: Fixed-income investments that represent loans made by an investor to a borrower, typically corporate or governmental.

Real GDP

Gross Domestic Product adjusted for inflation, providing a more accurate reflection of an economy's size and how it's growing over time.