Construct a 95 % Confidence Interval For $\mathrm { p } _ { 1 } - \mathrm { p } _ { 2 }$

question 85

Multiple Choice

Construct a 95 % confidence interval for $\mathrm { p } _ { 1 } - \mathrm { p } _ { 2 }$ for a survey that finds 30 % of 240 males and 41 % of 200 females are opposed to the death penalty.

• A) (-0.200,-0.021)
• B) (-1.532,1.342)
• C) (-0.561,0.651)
• D) (-1.324,1.512)

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Definitions:

Appreciates

Refers to an increase in the value of an asset or currency against other currencies or assets.

Depreciates

A decline in the value of an asset over time due to wear and tear, obsolescence, or market conditions.

British Pound

The official currency of the United Kingdom, also known as GBP or Sterling.

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