Posted by **rodrigo** on Thursday, September 29, 2011 at 6:54pm.

A job in an insurance office involves telephone conversations with policyholders. The office manager estimates that about half of the employee’s time is spent on the telephone. How many observations are needed in a work sampling study to estimate that time percentage to within 6 percent and have a confidence of 98 percent?

- statistics -
**Travis**, Sunday, July 22, 2012 at 8:10pm
377

- adu -
**Anonymous**, Saturday, October 22, 2016 at 10:37pm
dfdfgrtrrt

- statistics -
**lIZA**, Saturday, October 22, 2016 at 11:00pm
42352

- statistics -
**a**, Sunday, October 23, 2016 at 1:09am
a

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