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Author Question: Dr. Jordan operates a dental practice with 315 patients and she would like to estimate the ... (Read 104 times)

ts19998

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on: Jun 24, 2018
Dr. Jordan operates a dental practice with 315 patients and she would like to estimate the proportion of her patients that have dental insurance from their employers. A random sample of 75 patients found that 30 had insurance coverage.
 
  The 90 confidence interval to estimate the proportion of patients with dental insurance is ________.A) (0.252, 0.548)
  B) (0.276, 0.524)
  C) (0.202, 0.598)
  D) (0.319, 0.481)

Question 2

Residual values in a regression model can be positive or negative.
 
  Indicate whether the statement is true or false
Business Statistics ¦ Donnelly ¦ 2nd Edition
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chem1s3

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Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


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