In a 2002 Gallup poll, 75% of Americans considered themselves very or somewhat work below pay. In a recent random sample of 1000 Americans, 785 considered themselves very or somewhat work under pay.

a) Test at the 3% significance whether the current percentage of Americans who consider themselves very or somewhat work under pay is different from 75%. (use traditional method, which is Test Statistic vs Critical Value, show graph to explain you decision)

b) Use the p – value method to answer part a, explain your decision by using p – value.

Answer rating: 100% (QA)

It is given that 75 of Americans considered themselves very or somewhat work below pay Proportion of ... View the full answer