For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. A random sample of 5320 permanent dwellings on an entire reservation...

(a) Let
p
be the proportion of all permanent dwellings on the entire reservation that are traditional hogans. Find a point estimate for
p. (Round your answer to four decimal places.)




(b) Find a 99% confidence interval for
p. (Round your answer to three decimal places.)

lower limit
upper limit