Sunday

April 20, 2014

April 20, 2014

Posted by **Marnetta** on Tuesday, December 7, 2010 at 10:01am.

- Statistics -
**MathGuru**, Wednesday, December 8, 2010 at 10:23pmFormula:

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

...where n = sample size, z-value will be 2.575 using a z-table to represent the 99% confidence interval, sd = 42, E = 3, ^2 means squared, and * means to multiply.

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

**Related Questions**

BioStats - An observational study is conducted to investigate the association ...

statistics - Experts consider high serum cholesterol levels to be associated ...

Statistics - The serum cholesterol levels in men aged 18 to 24 are normally ...

Statistics - The mean serum cholesterol level in the population of males who do ...

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

biostatistics - A studyis run to estimate the mean total cholesterol level in ...

statistics - Suppose that in the aerobic exercise group we also measured the ...

statistics - The serum cholesterol levels for men in in one age group are ...

statistics - A researcher is interested in studying people’s mean age in a ...

statistics - a researcher is interested in studying people's mean age in a ...