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Suppose that insurance companies did a survey. They randomly surveyed 400 drivers and found that 330 claimed they always buckle up. We are interested in
Suppose that insurance companies did a survey. They randomly surveyed 400 drivers and found that 330 claimed they always buckle up. We are interested in the population proportion of drivers who claim they always buckle up. NOTE: If you are using a Student's t-distribution, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.)
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