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Author Question: What is the lower confidence limit of the 98 confidence interval for the difference in population ... (Read 130 times)

nautica902

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on: Jun 24, 2018
What is the lower confidence limit of the 98 confidence interval for the difference in population proportions?
 
  A) -0.125
  B) 0.135
  C) -0.147
  D) 0.147

Question 2

If X is a normal random variable with mean  = 4 and standard deviation  = 2, and Y is a normal random variable with mean  = 10 and standard deviation  = 5, then the probabilities P(X < 0 ) and P(Y < 0 ) are equal.
 
  Indicate whether the statement is true or false


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djofnc

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

C

Answer to Question 2

TRUE


nautica902

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Reply 2 on: Jun 24, 2018
Wow, this really help

diana chang

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Reply 3 on: Yesterday
:D TYSM

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