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Author Question: The z-score representing the 90th percentile of the standard normal distribution is: a. 1.28. b. ... (Read 98 times)

123654777

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

A

Answer to Question 2

T


123654777

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Reply 2 on: Jun 24, 2018
Gracias!

debra928

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Reply 3 on: Yesterday
Wow, this really help

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