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Author Question: Chuck has decided to increase the size of the sample he uses to estimate a population proportion. ... (Read 28 times)

silviawilliams41

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Chuck has decided to increase the size of the sample he uses to estimate a population proportion.
   What is the effect on the width of the associated confidence interval?


  1.The width of the confidence interval increases.
  2.The width of the confidence interval decreases.
  3.The width of the confidence interval is unchanged.
  4.There is not enough information to say.

Question 2

Jasmine has decided to decrease the confidence level in her estimation of a population proportion. What is the effect on the width of the associated confidence interval?
  1.The width of the confidence interval increases.
  2.The width of the confidence interval decreases.
  3.The width of the confidence interval is unchanged.
  4.There is not enough information to say.



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katara

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Answer to Question 1

2

Answer to Question 2

2





 

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