Tuesday

October 21, 2014

October 21, 2014

Posted by **chalulu** on Sunday, March 13, 2011 at 5:30pm.

- statistics -
**MathGuru**, Wednesday, March 16, 2011 at 8:50pmFormula:

n = [(z-value^2 * p * q)]/E^2

...where n = sample size, z-value will be 2.58 using a z-table to represent the 99% confidence interval, p and q represent proportions, E = .04, ^2 means squared, and * means to multiply.

Note: p and q will both be .5 if no value is stated.

Plug the values into the formula and finish the calculation. Round your answer to the next highest whole number.

**Answer this Question**

**Related Questions**

statistics - Suppose that a researcher is interested in estimating the mean ...

Elementary Statistics - 1) Construct a confidence interval of the population ...

Statistics - A researcher wishes to estimate the proportion of adults who have ...

Introduction to statistics - A researcher would like to estimate the population ...

statistics - A researcher wishes to estimate with 95% confidence the proportion ...

statistics - A researcher wishes to estimate the proportion of adults living in ...

statistics - please help - A researcher wishes to be 95% confident that her ...

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

Statistics - A researcher wishes to estimate, with 95% confidence, the ...

statistics - A researcher wishes to estimate the mean height of women aged ...