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March 27, 2015

March 27, 2015

Posted by **Kim** on Sunday, December 19, 2010 at 6:52pm.

A random sample of medical files is used to estimate the proportion p of all people who have blood type B. If you have no preliminary estimate for p, how many medical files should you include in a random sample in order to be 85% sure that the point estimate Final26main will be within a distance of 0.1 from p?

possible answers

208

8

4

104

52

- stastics -
**Brenda**, Saturday, April 6, 2013 at 2:36pmn=p(1-p(Zc/E)sqrd

=(.5)(.5)(1.44/.1)sqrd

=51.84

=52

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