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Author Question: The sum of the probabilities of collectively exhaustive events must equal 1. Indicate whether the ... (Read 103 times)

burton19126

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on: Jun 24, 2018
The sum of the probabilities of collectively exhaustive events must equal 1.
 
  Indicate whether the statement is true or false

Question 2

Suppose X is a normal random variable with mean of 70 and standard deviation of 4. The Z-score was calculated for a number, and it was 2.85. What is X?
 
  A) 58.6
  B) 81.4
  C) 65.8
  D) 75.7


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potomatos

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

FALSE

Answer to Question 2

B


burton19126

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Reply 2 on: Jun 24, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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