Answered: A political scientist surveys 47 of the…

A political scientist surveys 47 of the current 120 representatives in a state's congress. What is the size of the sample? What is the size of the population?

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 5E: List the sample space of each experiment. Rolling one die and tossing one coin

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Question

A political scientist surveys 47 of the current 120 representatives in a state's congress.

What is the size of the sample?

What is the size of the population?

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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