A poll reported that 64% of adults in a certain country believe that organic produce is better for health than conventionally grown varieties. Assume the sample size was 1000 and that the conditions for CLT are met. Complete parts (a) and (b)

a. Find and interpret a 99% confidence interval for the proportion of adults in the country who believe organic produce is better for health.

(0.610, 0.670) <~ HOW DO I GET THE ANSWER, PLEASE SHOW WORK

b. Find and interpret a 90% confidence interval for this population parameter.

(0.621, 0.659) <~ HOW DO I GET ANSWER, PLEASE SHOW WORK

PLEASE SHOW WORK AND WHAT CALCULATION METHOD USED IF ON CALCULATOR AND WHAT TO PRESS ON CALCULATOR