10.The CEO of a large corporation wants to benchmark the satisfaction her employees have with the quality of their workplace. She sends out a one question survey that asks, "Are you satisfied with the quality of your workplace?" in December 2017, and again in December 2018.

Out of 478 respondents in 2017, 320 said they were satisfied, and out of 469 respondents in 2018, 398 said they were satisfied.

Find the 95% confidence interval for the difference in population proportion in 2017 and 2018 who said they were satisfied with their workplace environment. (year 2017 - 2018)

Group of answer choices

A.) (-0.232, -0.125)

B.) (0.134, 0.223)

C.) (-0.223, -0.134)

D.) (0.125, 0.232)