According to the U.S. Census Bureau, in 2014, 62% of Americans age 18 and older were married.
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According to the U.S. Census Bureau, in 2014, 62% of Americans age 18 and older were married. A recent sample of 2000 Americans age 18 and older showed that 58% of them are married. Can you reject the null hypothesis at a 1% significance level in favor of the alternative that the percentage of current population of Americans age 18 and older who are married is lower than 62%? Use both the p-value and the critical-value approaches.
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