1. Given: Construct a confidence interval of ?x according to: (a) C .95 and (b) C .99. 2. Repeat parts (a) and (b) of Problem 1, but with the condition that n is four times as large. Compare the size of the intervals obtained in the two problems. State your conclusion. Problem 1 Given: Construct a confidence interval of ?x according to: (a) C .95 and (b) C .99.