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Author Question: Suppose the nightly rate for a three-star hotel in Paris is thought to be bell-shaped and ... (Read 156 times)

kfurse

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on: Jun 24, 2018
Suppose the nightly rate for a three-star hotel in Paris is thought to be bell-shaped and symmetrical with a mean of 160 euros and a standard deviation of 8 euros. The percentage of hotels with rates between 144 and 176 euros is
 
  A) approximately 68.
  B) at least 89.
  C) approximately 95.
  D) at least 75.

Question 2

As the true population mean moves away from the hypothesized mean, the power of the test decreases.
 
  Indicate whether the statement is true or false


strudel15

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

C

Answer to Question 2

FALSE


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