Mathematics, 22.11.2019 23:31 makylahoyle
Suppose that the insurance companies did do a survey. they randomly surveyed 400 drivers and found that 320 claimed they always buckle up. we are interested in the population proportion of drivers who claim they always buckle up
a. construct a 95% confidence interval for the population proportion who claim they always buckle up
b. what is the lower bound? (round to 4 decimal places )
c. what is the upper bound? (round to 4 decimal places)
Answers: 3
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Suppose that the insurance companies did do a survey. they randomly surveyed 400 drivers and found t...
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