Saturday

September 20, 2014

September 20, 2014

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

**Answer this Question**

**Related Questions**

stastics - Assume that a random sample is used to estimate a population ...

Statistics - An auditor wants to estimate what proportion of a bank’s commercial...

statistics - A random sample of 84 shoppers were interviewed and 51 said they ...

STATISTICS - I need help with 2 questions-TODAY-HELP 8. Assume that the MM207 ...

Stat Help - A researcher wishes to be 95% confident that her estimate of the ...

Statistics - A national caterer determined that 87% of the people who sampled ...

statistics - A researcher wants to estimate the proportion of a population which...

Statisics Question Help Please - The proportion of students in private schools ...

statistics - Please help- A random sample of n=500 households where 150 have ...

statistics - One of the ways most people relieve stress is to reward themselves ...