1. According to the United States Bureau of Labor, the proportion of married couples with children where both of them work outside the home is 53%. You select a simple random sample

(SRS) of 80 married couples.

a. Sketch the sampling distribution of p-hat. Verify the conditions are met to use a normal

model. (6 points)

b. What is the probability that in a sample of 80 married couples, both work outside the home

in less than half of them? Show your work. (4 points)