a. Construct a 95% confidence interval estimate of the population proportion of adults who had bought something online. Sns (Round to four decimal places as needed.) b. Construct a 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers. Sns (Round to four decimal places as needed.) c. How would the director of e-commerce sales for a company use the results of (a) and (b)? O A. A greater proportion of adults have purchased something online, but those adults who are weekly online shoppers make larger purchases, so the director of e-commerce sales may want to focus on those adults who are weekly online shoppers. O B. A greater proportion of adults have purchased something online, but since a lesser percent of those are weekly online shoppers, the director of e-commerce sales may want to focus on those adults who are weekly online shoppers. O C. The information cannot be compared because it is derived from two different opinions. O D. Since a greater proportion of adults have purchased something online than are weekly online shoppers, the director of e-commerce sales may want to focus on those adults who have purchased something online.