Every Year Around Christmas Time,many Parents Take Their Children to a Mall

Every year around Christmas time,many parents take their children to a mall to have their child's picture taken with Santa.The Centennial Mall management has calculated,based on years of experience,that about 40% of all children cry when they sit on Santa's lap.Suppose 80 children were randomly selected from this year's crowd.Of these 80 children,45% cried.If repeated samples of 80 children were to be selected,what is the center of the sampling distribution of the percentage of sampled children who cry when seated on Santa's lap?

A) 40%
B) 45%
C) 80
D) Somewhere between 40% and 45%