According to th e Pew report, 14.6% o f new ly married c o u p l e s in 2 0 0 8 r ep o rted th a t their s p o u s e w a s o f a n o t h e r race or ethnicity (CNNLiving, J u n e 7 , 2 0 1 0 ). In a sim ilar su r v ey in 19 8 0 , o n ly 6.8% o f n e w l y w e d c o u p l e s r ep o rted m arrying o u t s id e th eir race or e thnicity. S u p p o s e b o t h o f t h e s e s u rv ey s were conducted on 120 newly married couples.

a. Specify the competing hypotheses to test the claim that there is an increase in the proportion of people who marry outside their race or ethnicity.

b. What is the value of the test statistic and the associated p -value?

c. At the 5% level of significance, what is the conclusion? PG-69