using 5 step and z or t score table

Problem 1. Among 726 babies born to couples using the XSORT method in an attempt to have a baby girl, 597 of the babies were girls. a) Construct a 93% confidence interval estimate of the population mean b) Write a conclusion c) Use the shortcut TI 83/84 to verify your answer from part a QUESTION 2. Among 30,617 randomly selected adults, 5787 consumed herbs last year. Use a 0.1 significance level a) Use the TRADITIONAL METHOD (5 step process) to test the claim that the proportion of adults consumed herbs within the past year is the same as 20%. b) Use the P-VALUE METHOD c) What does the conclusion mean