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5. Do adults that cohabit before marriage have less successful marriages? A random survey of 341...

5. Do adults that cohabit before marriage have less successful marriages? A random survey of 341 found that 62% ended up divorced.

a. Find the 80% confidence interval.

b. Write a sentence that interprets the confidence interval.

c. Check the assumptions needed to construct the confidence interval.

Math   Statistics-And-Probability   
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