A research firm has been asked to determine the proportion of all restaurants in the state of Ohio that serve alcoholic beverages. The firm wants to be 98% confident of its results but has no idea of what the actual proportion is. The firm would like to report an error of no more than0.07. How large a sample should it take?

Appendix A Statistical Tables

(Round answer to 0 decimal places, e.g. 5,125.)

Sample size =

enter a sample size rounded to 0 decimal places