
Patrick B. answered 06/23/20
Math and computer tutor/teacher
Error margin = 1.96* 15.5 / sqrt(234) = 1.9860027284993436299520185696425
The confidence interval is
(13.513997271500656370047981430358, 17.413997271500656370047981430358)
Christy D.
asked 06/20/20A study of women’s weight randomly selected sample of 234 women had a mean weight of 157.3 lb. assuming the population standard deviation is 15.5 lb., construct a 95% confidence interval estimate of the mean weight of all women.
Patrick B. answered 06/23/20
Math and computer tutor/teacher
Error margin = 1.96* 15.5 / sqrt(234) = 1.9860027284993436299520185696425
The confidence interval is
(13.513997271500656370047981430358, 17.413997271500656370047981430358)
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.