A Report on the U $28 \%$ Of Americans Have Experienced Difficulty in Making Mortgage Payments

A report on the U.S. economy indicates that $28 \%$ of Americans have experienced difficulty in making mortgage payments. A news organization randomly sampled 400 Americans from 10 cities named the "fastest dying cities in the U.S." (Forbes Magazine, August 2008) and found that 136 reported such difficulty. Does this indicate that the problem is more severe among these cities? The $P$ -value associated with the test statistic for testing this claim is $0.0029$ . At $\alpha = .05$ ,

A) We can conclude that the percentage of Americans in these cities experiencing difficulty making mortgage payments is equal to $28 \%$ .
B) We can conclude that the percentage of Americans in these cities experiencing difficulty making mortgage payments is not significantly different from $28 \%$ .
C) We can conclude that the percentage of Americans in these cities experiencing difficulty making mortgage payments is significantly lower than $28 \%$ .
D) We can conclude that the percentage of Americans in these cities experiencing difficulty making mortgage payments is significantly higher than $28 \%$ .
E) None of these