Question: A survey of 705 workers (USA Today Snapshots, March 21, 2006, p. 1B) were asked how much they used the Internet at work. 423 said they used it within limits, and 183 said that they did not use the Internet at work.
a. Construct a 95% confidence interval for the proportion of all workers who used the Internet within limits.
b. Construct a 95% confidence interval for the proportion of all workers who did not use the Internet at work.