Posted by **Samantta** on Saturday, August 1, 2009 at 11:36am.

If you are interested in determining the average of a 3-minute telephone call to locations within the continental U.S. what sample size must you take to be 96% confidential that the results will be within $.75 of the true mean cost per call? From the phone company, you have gotten an estimate of=7.71?

- business statistics -
**Mario**, Tuesday, April 6, 2010 at 8:47pm
406

## Answer This Question

## Related Questions

- math - Telephone company A charges $3.00 for the first minute of any long ...
- business - A telephone conversation may not be as acceptable a method for ...
- Business Statistics - Using the telephone numbers listed in your local directory...
- statistics - historically, the average customer spends $8.53 for all TGP ...
- statistics - Which of the following criteria must be met to do a one-sample ...
- Algebra - How do you represent each answer as an algebraic expression using the ...
- Statistics - Which of the following criteria must be met to do a one-proportion ...
- statistics - An IQ is designed so that the mean is 100 and the standard ...
- statistics - One of the problems with a study such as this one is the small size...
- statistics - The head of a computer science department is interested in ...

More Related Questions