Progressive Insurance Would Like to Test the Hypothesis That a Difference

question 7

Multiple Choice

Progressive Insurance would like to test the hypothesis that a difference exists in the proportion of students in 12^th grade who text while driving when compared to the proportion of 11th grade drivers who text. A random sample of 160 12^th grade students found that 84 texted while driving. A random sample of 175 11^th grade students found that 70 texted while driving. If Population 1 is defined as 12^th grade drivers and Population 2 is defined as 11^th grade drivers, the 95% confidence interval for the difference in population proportions is ______.

• A)(- 0.119, 0.369)
• B)(0.018, 0.231)
• C)(- 0.037, 0.287)
• D)(0.103, 0.147)

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Definitions:

Fairness

In economics, fairness often relates to the equitable distribution of resources and outcomes among diverse groups of people.

Public Expenditures

Spending by the government on goods and services, including infrastructure, education, and healthcare, funded by taxpayer money.

Economic Income

The total value of all earnings over a period, including wages, salaries, bonuses, and any earnings from investments.

Net Worth

The total value of an individual's or organization's assets minus liabilities.