Traditionally, 2 percent of the citizens of the United States live in a foreign countrybecause they
Traditionally, 2 percent of the citizens of the United States live in a foreign countrybecause they are disenchanted with U.S. politics or social attitudes. In order to test ifthis proportion has increased since the September 11, 2001, terror attacks, U.S.consulates contacted a random sample of 400 of these expatriates. The sample yields12 people who report they are living overseas because of political or social attitudes.
Can you conclude this data shows the proportion of politically motivated expatriates
has increased?
a) State the null and alternative hypothesis.
b)Calculate the test statistic. Show your calculation
c) Determine the p-value.
d) What is your decision regarding the null statement if a = 0.05?
e) Write a conclusion statement.
11 years ago
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