Compute the sample size required to carry out a marketing research analysis with a dichotomy question if we want an error no greater than +/-4%, knowing that the population size is larger than 200000 individuals and using a confidence level of 95% with a normal approximation (using the maximum variance p=q=0,5
Compute the sample size required to carry out a marketing research analysis with a dichotomy question if we want an error no greater than +/-4%, knowing that the population size is larger than 200000 individuals and using a confidence level of 95% with a normal approximation (using the maximum variance p=q=0,5
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Compute the sample size required to carry out a marketing research analysis with a dichotomy question if we want an error no greater than +/-4%, knowing that the population size is larger than 200000 individuals and using a confidence level of 95% with a normal approximation (using the maximum variance p=q=0,5
Answer is 625
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