1. In a random sample of 195 weights of newborn boys, it was found that \(\bar{x} = 32.7\) hg.
a. Find the 95% margin of error.
b. Construct a 95% CI estimate of the mean weight of newborn boys. In a previous study, \(\sigma\) was
known to be 6.6 hg.
c. If a newborn boy has a weight of 30.5 hg., how does his weight compare with other newborn
boys? Explain very clearly your answer.