Check part b

Babies: According to a recent report, a sample of 360 oneyearold baby boys in the United States had a mean weight of 25.5 pounds. Assume the population standard deviation is 0:5.1 pounds. Part 2 of 3 (b) Should this confidence interval be used to estimate the mean weight of all one-year-old babies in the United States? Explain. The confidence interval should be used to estimate the mean weight of all one-year-old babies in the United States. X