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Author Question: The shape of the normal probability density function is a symmetric bell-shaped curve centered on ... (Read 202 times)

RYAN BANYAN

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on: Jun 24, 2018
The shape of the normal probability density function is a symmetric bell-shaped curve centered on the:
 
  A) variance.
  B) standard deviation.
  C) coefficient.
  D) mean.

Question 2

Which of the following statements is true?
 
  A) If events A and B are complements, then the intersection of A and the complement of B is the sample space.
  B) If events A and B are mutually exclusive, then the intersection of A and B is the empty set.
  C) If events A and B are mutually exclusive, then the union of A and B is the sample space.
  D) If events A and B are mutually exclusive, then the union of A and B is the empty set.


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mcinincha279

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

D

Answer to Question 2

B


RYAN BANYAN

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

juliaf

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Reply 3 on: Yesterday
Excellent

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