Posted by **Ann** on Thursday, August 14, 2008 at 12:08pm.

The head of a computer science department is interested in estimating the proportion of students

entering the department who will choose the new computer engineering option. A preliminary sample

indicates that the proportion will be around 0.25. Therefore, what size sample should the department

head take if she wants to be 95% confident that the estimate is within 0.10 of the true proportion?

- statistics -
**GuruBlue**, Thursday, August 14, 2008 at 12:11pm
.......And what would be your answer to this question?

- statistics -
**Ann**, Thursday, August 14, 2008 at 1:01pm
I dont know

- statistics -
**bobpursley**, Thursday, August 14, 2008 at 2:15pm
http://www.surveysystem.com/sscalc.htm#one

To the left, is a menu that will teach you.

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