Posted by **WEB** on Saturday, November 5, 2011 at 10:42pm.

A doctor at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 98% confident that the true mean is within 2 ounces of the sample mean? The standard deviation of the birth weights is known to be 5 ounces.

A) 34

B) 5

C) 33

D) 6

## Answer This Question

## Related Questions

- Statistics - A nurse at a local hospital is interested in estimating the birth ...
- stat - A nurse at a local hospital is interested in estimating the birth weight...
- Statistic - birth weight of infants: a health care professional wishes to ...
- Statistic - birth weight of infants: a health care professional wishes to ...
- Statistics - A health care professional wishes to estimate the birth weights of ...
- ncu - a health care professional wishes to estimate the birth weight of infants ...
- statistics - A researcher is interested in estimating the average salary of ...
- math - A researcher is interested in estimating the average salary of Police ...
- statistics - confidence intervals: A researcher is interested in estimating the ...
- Basic Statistics - A researcher is interested in estimating the average salary ...

More Related Questions