In 2016, the US poverty rate was 12.7%. During that year, 325 families where randomly selected in Hawaii. Out of them, 20 were found to be living below the poverty line. At a level of significance of...

In 2016, the US poverty rate was 12.7%. During that year, 325 families where randomly selected in Hawaii. Out of them, 20 were found to be living below the poverty line. At a level of significance of α = 0.01, do the data provide sufficient evidence to conclude that, in 2016, the percentage of families below the poverty line was lower in Hawaii than among all US families?

a The test statistic  z  =(please show your answer to 3 decimal places.)

b. The p-value =____  (Please show your answer to 4 decimal places.)