In one city, there are a total of 1,640 5-year-old children of whom 553 live with one parent only. Among a sample of 600 of the 5-year-old children from this city, 223 live with one parent only. What...

In one city, there are a total of 1,640 5-year-old children of whom 553 live with one parent only. Among a sample of 600 of the 5-year-old children from this city, 223 live with one parent only. What is the sample proportion of 5-year-old children who live with one parent only?