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A research center survey of 2 comma 375 adults found that 1 comma 942 had bought...

A research center survey of 2 comma 375 adults found that 1 comma 942 had bought something online. Of these online​ shoppers, 1 comma 274 are weekly online shoppers. Complete parts​ (a) through​ (c) below.

  1. Construct a​ 95% confidence interval estimate of the population proportion of adults who had bought something online.
  2. Construct a​ 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers.
  3. How would the director of​ e-commerce sales for a company compare the results of​ (a) and​ (b)?

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