A researcher wants to estimate the percentage of household with annual income greater than $80,000 in SF area, with a random sample of 90 households. In their sample, 25 households have income greater than $80,000. Using the appropriate rule of thumb, can the researcher use the sample to construct a 99%-confidence interval for the percentage of households with income greater than $80,000?
A researcher wants to estimate the percentage of household with annual income greater than $80,000 in SF area, with a random sample of 90 households. In their sample, 25 households have income greater than $80,000. Using the appropriate rule of thumb, can the researcher use the sample to construct a 99%-confidence interval for the percentage of households with income greater than $80,000?
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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A researcher wants to estimate the percentage of household with annual income greater than $80,000 in SF area, with a random sample of 90 households. In their sample, 25 households have income greater than $80,000. Using the appropriate rule of thumb, can the researcher use the sample to construct a 99%-confidence interval for the percentage of households with income greater than $80,000?
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