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Author Question: In most situations, the true mean and standard deviation are unknown quantities that have to be ... (Read 170 times)

ahriuashd

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on: Jun 24, 2018
In most situations, the true mean and standard deviation are unknown quantities that have to be estimated.
 
  A) True B) False

Question 2

Nearly 100 of the observed occurrences of a random variable x that is normally distributed will fall within three standard deviations of the mean of the distribution of x.
 
  A) True B) False
 
  .


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amit

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

A

Answer to Question 2

A


ahriuashd

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

mohan

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Reply 3 on: Yesterday
Excellent

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