3. Suppose we want to estimate the proportion of organic farmers who also sell eggs. Suppose we randomly sample 84 organic farmers and determine that 37 of them sell eggs. You may assume all assumptions are met. a. Use this information to estimate a 95% confidence interval for the population proportion of organic farmers who sell eggs. (If you are using the calculator method, write down the procedure you used and your inputs.) b. Clearly explain what this interval means in words (We are_% confident...) c. What is the margin of error for this interval? d. What if we decided that we only need to be 90% confident? Will the margin of error be larger or smaller? e. Find the 90% confidence interval AND margin of error