A pharmaceutical researcher wants to determine the proportion of people who believes that branded medicine is more effective than generic medicine. How many people should be sampled to be 95% confident that the estimate will be accurlte within 1% of the true population proportion?
A pharmaceutical researcher wants to determine the proportion of people who believes that branded medicine is more effective than generic medicine. How many people should be sampled to be 95% confident that the estimate will be accurlte within 1% of the true population proportion?
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter5: Systems Of Linear Equations
Section5.1: Solve Systems Of Equations By Graphing
Problem 68E: A marketing company surveys 1,200 people. They surveyed twice as many females as males. How many...
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