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Author Question: A random sample of 17 hotels in Boston had an average nightly room rate of 165.40 with a sample ... (Read 139 times)

cnetterville

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A random sample of 17 hotels in Boston had an average nightly room rate of 165.40 with a sample standard deviation of 21.70. The 90 confidence interval around this sample mean is ________.
 
  A) (144.32, 186.32)
  B) (152.22, 178.58)
  C) (156.20, 174.60)
  D) (162.76, 168.04)

Question 2

Recently, 18.3 of visitors to the Travelocity website hailed from the Google search engine. A random sample of 130 visitors on the Travelocity was selected. The standard error of the proportion is ________.
 
  A) 0.0206
  B) 0.0339
  C) 0.0466
  D) 0.0548


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Natalie4ever

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