1). A sociologist plans to conduct a survey to estimate the percentage of healthcare professionals who believe in astrology.How many healthcare professionals must be surveyed if we want a confidence level of 94% and a margin of error of six percentage points?

(z-scores are to two decimal places except the two special cases at the bottom of the table)

Insert the following values from the question:

CL =_____ %

E =_____ % =_____

What area relates to the confidence level?

A =_____

What is the value of ?_____

What is the value of /2?_____

What area value will you use on the z-score table?_____

What is the z/2value associated with that area?_____

Use the appropriate formula to find the number of people that must be tested (round up to a whole number): _____