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

## Answer this Question

## Related Questions

- STATISTICS - How can I solve this? A random sample of medical files is used to ...
- 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...
- math - Suppose 48% of the general population of thw world has blood type O, 27% ...
- Stats - Many colleges and universities hold a “blood drive” for organizations ...
- statistics - Blood type AB is found in only 3% of the population†. If 240 people...
- statistics - An online site presented this question, 'Would the recent norovirus...
- statistics - A researcher at a major hospital wishes to estimate the proportion ...
- statistics - A random sample of 84 shoppers were interviewed and 51 said they ...
- statistics - A certain geneticist is interested in the proportion of males and ...

More Related Questions