delivery rate for 2010 was about 32.8%. Cesarean delivery is also called a “C-section.” It means the baby is not delivered in the normal way. The baby is surgically removed through an incision in the mother’s abdomen and uterus. Suppose this year a random sample of 100 births has 41 that are C-sections. Use the estimate from the NVS Report for 2011 as the population proportion, p, and the result from this year’s random sample to estimate the U.S. Cesarean delivery rate for this year with 95% confidence. (Be sure to check that a normal model is appropriate.) Enter your results as responses to the following questions. 1. Enter the lower bound (the smallest possible number) as a percent without the percent sign. If necessary, round to one decimal place. 2. Enter the upper bound (the largest possible number) as a percent without the percent sign. If necessary, round to
The National Vital Statistics Reports for November 2011 states that U.S. Cesarean delivery rate for 2010 was about 32.8%. Cesarean delivery is also called a “C-section.” It means the baby is not delivered in the normal way. The baby is surgically removed through an incision in the mother’s abdomen and uterus. Suppose this year a random sample of 100 births has 41 that are C-sections.
Use the estimate from the NVS Report for 2011 as the population proportion, p, and the result from this year’s random sample to estimate the U.S. Cesarean delivery rate for this year with 95% confidence. (Be sure to check that a normal model is appropriate.)
Enter your results as responses to the following questions.
1. Enter the lower bound (the smallest possible number) as a percent without the percent sign. If necessary, round to one decimal place.
2. Enter the upper bound (the largest possible number) as a percent without the percent sign. If necessary, round to one decimal place.
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