The U.S. Census Bureau reports a growth in the percentage of mothers in the workforce who have

Question:

The U.S. Census Bureau reports a growth in the percentage of mothers in the workforce who have infant children. The following table gives a breakdown of the marital status and working status of mothers with infant children in the year 2014. (The numbers in the table are reported in thousands.) Consider the following events: A = {Mom with infant works}, B = {Mom with infant is married}. Are A and B independent events?

Married No spouse Working 6,027 2,147 Not Working 4,064 1,313