Multiple Choice
Use the following information for questions:
Random samples from two age groups of brides (200 brides under 18 years and 100 brides at least twenty years old) showed that 50% of brides in the under 18 group were divorced after 15 years, while 40% of brides in the 20 or older age group were divorced after 15 years. The difference between the two proportions is 0.10, with a standard error of 0.0604.
-What is a 99% confidence interval for the difference between the population proportions of brides who are divorced within 15 years (brides under 18 - brides at least 20) ?
A) (-0.123, 0.023)
B) (-0.056, 0.256)
C) (-0.040, 0.160)
D) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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