Question
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
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): _____
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