A study found that in 200512.5%of US workers belonged to unions.Suppose a sample of 500US workers is collected in 2006to determine whether union efforts to organized have increased union membership.

Formulate the hypothesis that can be used to determine whether union membership increased in 2006.If the sample results show that 80of the workers belonged to unions,what is the p-value for your hypothesis test? At=0.05what is your conclusion?(show your steps)