A study done a a polling organization Randomly surveyed 1031 adults by phone. The poll found that 42%of the respondents said they spend less than three hours a day watching TV. Based on this finding calculate to 2 decimals places the ((%confidence interval for the proportion of US adults who spend less than three hours watching TV on an average day. a) [.35, .45]
b) [.38, .46]
c) [.41, .43]
d) [.30, .50]
e) [.32, .52]