Suppose the Humane Society claims that 30% of U.S. households own cats. You believe your community is different than the U.S. percentage. To test the claim, you take a simple random sample of 300 households and find that 37% own cats. Test at 5% significance. Round to the fourth H0H0:Select an answer x̄ p̂ μ p  Select an answer = < > ≠  HAHA:Select an answer x̄ p̂ μ p  Select an answer = < > ≠  What's the minimum population size required? How many successes were there? Test Statistic: P-value: Did something significant happen? Select an answer Significance Happened Nothing Significant Happened  Select the Decision Rule: Select an answer Reject the Null Accept the Null Fail to Reject the Null  There Select an answer is is not  enough evidence to conclude Select an answer that the proportion of households that own cats in your community is the same as the national proportion. that the proportion of households that own cats in your community is different than the national proportion.

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.