Time Left:3:26:34 Natalie Chappotin: Attempt 2 Add attachments to support your work Question 20 (4 points) Suppose that political party has a poll put in field to find out the approval rating of their candidate. From a sample of 500 people they find that 170 say they have a high approval. Find the lower bound for a 95% confidence interval for the true proportion. (round-down your answer to 4 decimal places, do NOT write in percentage notation) Your