In early 2010, 35% of subprime mortgages in a certain country were in distress, meaning that their holders were either being foreclosed on or were at least 90 days delinquent on their payments. The federal government is hopeful that this percentage has declined due to mortgage aid programs that were initiated during the year. To test this hypothesis, a random sample of 500 subprime mortgages was selected later in 2010. From this sample it was found that 165 mortgages were in distress. Using alpha equals 0.05, answer parts a and b below.
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