Determine the necessary sample size. A nutritionist is interested in estimating the proportion of consumers who look to purchase organic produce. How large of a sample would be necessary in order to...

Determine the necessary sample size.

A nutritionist is interested in estimating the proportion of consumers who look to purchase organic produce.



How large of a sample would be necessary in order to be 99% confident that the estimate is within  3%  of the actual proportion?

(Hint: use a 'worst case scenario' of p=0.50)