(10 points) In August 2002, 47\% of parents with children in grades K12 were satisfied with the quality of education the students receive. A recent Gallup poll found that 437 of 1013 parents with children in grades K12 were satisfied with the quality of education the students receive. Use the =0.05 level of significance to assess whether the poll represents evidence that parents' attitudes toward the quality of education in the United States has changed since August 2002. Use the classical approach and be sure to check the three requirements for hypothesis testing first