Having trouble with part C. Show work if possible. Thank You!

9.1.25 EE Question Help a A survey cf231 t] adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 421 have donated blood in the past two years. Complete parts {a} through to] below. Click here to View the standard normal distribution table a e 'l . Click here to View the standard normal distribution table a e 2 . [a] Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. E= 0.132 (Round to three decimal places as needed.) [b] Verify that the requirements for constructing a condence interval about p are satised. The sample can be assumed to be a simple random sample. the value of np('l 13:] is 343.904 , which is greater than orequal to 10. and the sample size can be assumed to be less than or equal to 5% of the population size. (Round to three decimal places as needed.) {1:} Construct and interpret a 95% condence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and ll in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) O A- We are 9% condent the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between I and O 3- There is a 1% probability the proportion ofadulls in the country aged 18 and older who have donated blood in the past two years is between D and D