A five-year-old census recorded that 20% of the families in a large community lived below the poverty level.To determine if this percentage has changed, a random sample of 400 families is studied and 70 are found to be living below the poverty level.Does this finding indicate that the current percentage of families earning incomes below the poverty has changed from what it was five years ago?

a.Indicate the null and alternative hypotheses. (2 points)

b.What is the rejection region (the set of values of the test statistic for which we can reject the null hypothesis)? (2 points)

c.Compute the test statistic. (2 points)

d.What is your conclusion? (2 points)

e.What is the p-value? (2 points)