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Author Question: The z-score representing the 90th percentile of the standard normal distribution is: a. 1.28. b. ... (Read 77 times)

123654777

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The z-score representing the 90th percentile of the standard normal distribution is:
 a. 1.28.
  b. -1.28.
  c. 0.67.
  d. -0.67.
  e. 1.645.

Question 2

True or False Sample data are used as the basis from which to make probability statements about the true (but unknown) value of the population mean or proportion.
  Indicate whether the statement is true or false



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ladyjames123

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Answer to Question 1

A

Answer to Question 2

T




123654777

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


duy1981999

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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