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Author Question: Given a normal random variable X with mean and standard deviation , the standard normal random ... (Read 83 times)

Destiiny22

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Given a normal random variable X with mean  and standard deviation , the standard normal random variable associated with x is Z = (X - )/.
 
  Indicate whether the statement is true or false

Question 2

Find the margin of error for a 90 confidence interval for the difference in the means of the two populations.
 
  A) 2.75
  B) 2.29
  C) 1.24
  D) 1.86



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TheDev123

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Answer to Question 1

TRUE

Answer to Question 2

C




Destiiny22

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Reply 2 on: Jun 24, 2018
:D TYSM


ebonylittles

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Reply 3 on: Yesterday
Gracias!

 

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