Solve this question please

Some proportion p of the people, who were buried in family cemeteries in Durham between 1890 and 1920, were under the age of 5. We want to decide whether this proportion is 40%. We hypothesis test at level of significance 0.01 using a 99% confidence interval. In a random sample of 60 burials, we find 13 persons under the age of 5. The sample proportion is The margin of error is The 99% confidence interval is To decide whether to reject the null hypothesis, we check whether belongs to the interval