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About 40 % of homeowners in California should have earthquake insurance . A public official is concerned that too few homeowners are buying insurance .

About 40 % of homeowners in California should have earthquake insurance . A public official is concerned that too few homeowners are buying insurance . In a survey of 337 randomly selected homes, 133 are found to be insured . 1. Name the parameter the public official is concerned about

2. What is the null and alternative hypothesis? 3. What is the test statistic (z test) and p-value?

4. Reject or fail to reject H0?

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