Friday
March 27, 2015

Homework Help: stastics

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

I'm having a hard time with question, can someone help me?

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

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