# Question: Calculate the 95 confidence interval for the difference in population

Calculate the 95% confidence interval for the difference in population proportions for each of the following:

a. nx = 350 p`x = 0.64

ny = 300 p`y = 0.68

b. nx = 245 p`x = 0.45

ny = 230 p`y = 0.48

a. nx = 350 p`x = 0.64

ny = 300 p`y = 0.68

b. nx = 245 p`x = 0.45

ny = 230 p`y = 0.48

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