How do I get the confidence interval estimate?

#6 sample n = 300 absolute interest x = 216 confidence level 95% >>=0.05 point estimate p = 0.72 300 * 0.72 = 216 300 * (1-0.72) = 84Score: 0 of 2 pts 6 of 8 (4 complete) HW Score: 60%, 12 of 20 pts 8.3.54-T Question Help A random sample of 300 items reveals that 216 of the items have the attribute of interest. a. What is the point estimate for the population proportion for all items having this attribute? b. Use the information from the random sample to develop a 95% confidence interval estimate for the population proportion, p, of all items having this attribute of interest. a. The point estimate is 0.72 . (Round to two decimal places as needed.) b. The confidence interval estimate is (Round to three decimal places as needed. Use ascending order.) Enter your answer in the edit fields and then click Check Answer. ? All parts showing Clear All Check