A research center survey of 2,374 adults found that 1,854 had bought something online. Of these online shoppers, 1,288 are weekly online shoppers. Complete parts (a) through (c) below. a. Construct a 95% confidence interval estimate of the population proportion of adults who had bought something online. 0.7643 ≤x≤ 0.7976 (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. SIS (Round to four decimal places as needed.) -C

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