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April 26, 2015

Homework Help: Statistics

Posted by monica on Tuesday, November 9, 2010 at 4:19pm.

How do I do this? I am very lost.

If you live in California, the decision to buy earthquake insurance is an important one. A survey revealed that only 133 of 337 randomly selected residences in one California county were protected by earthquake insurance. Calculate the appropriate test statistic to test the hypotheses that at least 40% buy the insurance.

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