Question

The data from the North Carolina State Center for Health Statistics show that 14 percent of mothers admitted to smoking one or more cigarettes per day during pregnancy. If a random sample of size 10 is selected from this population, what is the probability that it will contain exactly four mothers who admitted to smoking during pregnancy? (2 marks)​

Answer 1

One in 14 women who gave birth in the United States in 2016 (7.2%) reported smoking during pregnancy (Figure 1). Compared with the nation overall, smoking during pregnancy was lower in 19 states and D.C., and higher in 31 states.