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Author Question: Let the random variable Z follow a standard normal distribution. The total probability to the right ... (Read 41 times)

pepyto

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on: Jun 24, 2018
Let the random variable Z follow a standard normal distribution. The total probability to the right of Z = 2.18 and to the left of Z = -1.75 is:
 
  A) 0.4854
  B) 0.4599
  C) 0.0146
  D) 0.0547

Question 2

The width of a confidence interval is equal to twice the margin of error.
 
  Indicate whether the statement is true or false


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b614102004

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

D

Answer to Question 2

TRUE


pepyto

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Reply 2 on: Jun 24, 2018
Gracias!

abro1885

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

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