A researcher, who was interested in knowing how many people in a city supported a new retirement plan, sampled 100 people from the city and found that 40% of these people were in favor of a new retirement plan. What is the upper limit of the 95% confidence interval on the population proportion? Select one: a. 0.356 b. 0.501 c. 0.625 d. 0.972 x

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, who was interested in knowing how many people in a city supported a new
retirement plan, sampled 100 people from the city and found that 40% of these people were in
favor of a new retirement plan. What is the upper limit of the 95% confidence interval on the
population proportion?
Select one:
a. 0.356
b. 0.501
c. 0.625
d. 0.972 x
Transcribed Image Text:A researcher, who was interested in knowing how many people in a city supported a new retirement plan, sampled 100 people from the city and found that 40% of these people were in favor of a new retirement plan. What is the upper limit of the 95% confidence interval on the population proportion? Select one: a. 0.356 b. 0.501 c. 0.625 d. 0.972 x
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