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Author Question: Given a normal random variable X with mean and standard deviation , the standard normal random ... (Read 63 times)

Destiiny22

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

TRUE

Answer to Question 2

C


Destiiny22

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Reply 2 on: Jun 24, 2018
:D TYSM

kalskdjl1212

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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