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Author Question: Using the following probability distribution, what is P(X > 0)? a.P(X > 0) = 1 b.P(X ... (Read 122 times)

jho37

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on: Jun 24, 2018

  Using the following probability distribution, what is P(X > 0)?
 
 

  a.P(X > 0) = 1
  b.P(X > 0) = 0.20
  c.P(X > 0) = 0.80
  d.P(X > 0) = 0

Question 2


  Given the probability function PX(x) = 0.25 for x = 1, 2, 3, 4 and and, what is the standard deviation for this probability function?
 

  a.0.25
  b.1.25
  c.2.5
  d.1.12


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duke02

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

correct: c

Answer to Question 2

correct: d


jho37

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

dyrone

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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